Module 1. Foundations of the structure of organic compounds.
Hydrocarbons.
1.
A.
B.
C.
D.
E.
2.
A.
B.
C.
D.
E.
3.
A.
B.
C.
D.
E.
4.
A.
B.
C.
D.
E.
5.
A.
B.
C.
D.
E.
6.
A.
B.
C.
D.
E.
7.
A.
B.
C.
D.
E.
8.
What type of chemical reactions is characteristic for alkanes?
elimination (E)
*radical substitution (SR)
nucleophylic substitution (SN)
electrophylic substitution (SE)
electrophylic joining (AE)
Racemic mixture:
contains asymmetric molecules of the certain compound
contains equal quantities of diastereomers
contains chiral molecules of the certain compound
*contains equal quantities of enantiomers
contains achiral molecules of the certain compound
3. Anti-bonds are characterized by a torsion angle of:
0o
30o
60o
90o
*180o
The different spatial localization of atoms or atom groups in the molecule as a result of its
rotation around σ-bonds is named:
optical isomery
geometrical isomery
structural isomery
configuration
*conformation
Optical activity is measured using an instrument called:
spectrophotometer
manometer
thermometer
*polarimeter
refractometer
Optical activity is:
the phenomenon of existence of compounds which have similar structure
the different spatial localization of atoms or atom groups in the molecule as a result of its rotation
around σ-bonds
the different functional groups in the molecules
*the ability of a chiral substance to rotate the plane of plane-polarized light
the different locations of identical functional groups and double or triple bonds in the molecule
What carbon atom is chiral?
does not have any substituents
has 3 types of the substituents
*has 4 different substituents
has 1 type of the substituents
has 2 types of the substituents
Which designation for the mechanism of the shown below reaction serves?
Mechanism:
A.
B.
C.
D.
E.
9.
A.
B.
C.
D.
E.
10.
A.
B.
C.
D.
E.
AR
AE
SN
*SE
SR
Gauche bonds are characterized by a torsion angle of:
0o
30o
*60o
90o
180o
Conformation is:
the different spatial localization of atoms or atom groups in the molecule as a result of its rotation
around π-bonds;
the phenomenon of existence of compounds which are similar by qualitative and quantitive structures
but are different by locations of bonds in molecule.
the different sequence of atoms in the molecule of the organic compound;
the different locations of identical functional groups and double or triple bonds;
*the different spatial localization of atoms or atom groups in the molecule as a result of its rotation
around σ-bonds;
11.
Mechanism:
A.
B.
C.
D.
E.
12.
A.
B.
C.
D.
E.
13.
A.
B.
C.
D.
E.
14.
A.
B.
C.
D.
AR
E
SN
SE
*SR
In which sequence the stability of alkyl radicals: methyl, primary, secondary tertiary
decreases?
primary < CH3< secondary < tertiary
primary > CH3> secondary > tertiary
tertiary > primary > secondary > CH3
CH3> primary > secondary > tertiary
*tertiary>secondary>primary>CH3
Free radicals are:
charged particles containing not coupled electron
*not charged particles containing not coupled electron (one-electronic orbital)
the particles containing trivalent carbon atom with lone electronic pair
intermediate active particles containing negatively charged carbon atom
intermediate active particles containing positively charged carbon atom
Free radicals are formed as a result of:
*homolytic cleavage of covalent bond in a molecule
metallo organic compounds ionization
actions of the strong bases on compounds with enough polar C-H bond
proton addition or another electrophilic particle to one of the atoms bonded to
each other with double or triple bond
E. direct compound ionization in strongly polar media
15. Carbcations - are:
A. charged particles containing not coupled electron
B. not charged particles containing not coupled electron (one-electronic orbital)
C. particles containing trivalent carbon atom with lone electronic pair
D. intermediate active particles containing negatively charged carbon atom
E. *intermediate active particles containing positively charged carbon atom
16. Define a character of the bond cleavage as a result of which the particles having one not
coupled electron are formed:
A.
B.
C.
D.
E.
17.
A.
B.
C.
D.
E.
18.
A.
B.
C.
D.
E.
19.
molecular
pericyclic
ionic
*homolytic
heterolytic
As a result of homolytic cleavage of the chemical bond are formed?
only anions
free radicals and ions
*free radicals
only cations
cations and anions
As a result of heterolytic cleavage of chemical bond are formed?
free radicals and ions
only anions
only cations
*cations and anions
free radicals
In which of the following sequences the basicity of amines is decrease?
A.
B.
C.
D.
E.
20.
cyclohexylamine < N-methylaniline < aniline< p-nitroaniline
*cyclohexylamine > N-methylaniline > aniline> p-nitroaniline
aniline > p-nitroaniline > N-methylaniline > cyclohexylamine
p-nitroaniline > aniline> N-methylaniline > cyclohexylamine
aniline > p-nitroaniline > cyclohexylamine > N-methylaniline
In which of the following sequences the basicity of shown below compounds is increase?
A.
B.
C.
D.
E.
21.
aniline > N-methylaniline > acetanilide > cyclohexylamine
aniline < N-methylaniline < acetanilide < cyclohexylamine
acetanilide < aniline < cyclohexylamine < N-methylaniline
aniline < acetanilide < N-methylaniline < cyclohexylamine
*acetanilide <aniline < N-methylaniline < cyclohexylamine
In which of the following sequences the basicity of shown below compounds is decrease?
A. aniline< p-methoxyaniline < p-nitroaniline < p-methylaniline
B. aniline> p-methoxyaniline > p-nitroaniline > p-methylaniline
A.
B.
C.
D.
E.
23.
p-nitroaniline > aniline> p-methoxyaniline > p-methylaniline
*p-methoxyaniline > p-methylaniline > aniline> p-nitroaniline
p-methylaniline> p-methoxyaniline> aniline> p-nitroaniline
In which of the following organic reactions mechanisms as intermediate active particles ions are
formed ?
*heterolytic
homolytic
trimolecular
bimolecular
monomolecular
In which of the following sequences the acidity of alcohols is decrease?
A.
B.
C.
D.
E.
24.
propanol-1< methanol < propanol-2< 2-methylpropanol-2
propanol-1> methanol > propanol-2> 2-methylpropanol-2
methanol > propanol-2> propanol-1> 2-methylpropanol-2
2-methylpropanol-2> propanol-2> propanol-1> methanol
*methanol> propanol-1> propanol-2> 2-methylpropanol-2
In which of the following sequences the acidity of phenols is increase?
A.
B.
C.
D.
E.
25.
A.
p-methylphenol > p-aminophenol >phenol > p-nitrophenol
p-methylphenol < p-aminophenol <phenol < p-nitrophenol
*p-aminophenol < . p-methylphenol <phenol < p-nitrophenol
p-nitrophenol <phenol <. p-methylphenol < p-aminophenol
p-methylphenol<phenol <p-nitrophenol <p-aminophenol
Conformers are:
stereoisomers, having a various spatial arrangement of atoms in a molecule and possessing the
greatest stock of energy
compounds, differing by an arrangement of substitutes concerning a plane of double bond
isomers, differing by an arrangement of functional groups
*conformations with the least stock of energy
the compounds differing from each other by an arrangement of atoms in a molecule in space
concerning multiple bond
The letter S in the name (S)-(-)-2-aminopropanol-1 means?
C.
D.
E.
22.
B.
C.
D.
E.
26.
racemate
right-turn isomer
left-turn isomer
*an absolute configuration of С2
relative configuration of С1
Configurational isomers are:
the organic compounds with a various spatial arrangement of atoms in a molecule, caused
by rotation around of p -bond
B. isomers, differing by an arrangement of functional groups
C. isomers, differing by an arrangement of multiple bonds
D. the organic compounds with a various spatial arrangement of atoms in a molecule, caused
by rotation around of s-bond
A.
B.
C.
D.
E.
27.
A.
E. *the organic compounds differing from each other by a relative arrangement of atoms in a molecule
in space
28. The letter «R» in the name (R)-(-)-2-aminopropanol-1 means?
A.
B.
C.
D.
E.
29.
racemate
right-turn isomer
left-turn isomer
*an absolute configuration of С2
relative configuration of С1
The sign «-» in the name (R)-(-)-1-aminopropanol-2 means?
A.
B.
C.
D.
E.
30.
racemate
right-turn isomer
*left-turn isomer
an absolute configuration of С2
relative configuration of С1
The sign «+» in the name (S)-(+)-1-aminopropanol-2 means?
A.
B.
C.
D.
E.
31.
racemate
*right-turn isomer
left-turn isomer
an absolute configuration of С2
relative configuration of С1
The letter «L» in the name L-glucose means?
A.
B.
C.
D.
E.
32.
racemate
right-turn isomer
*relative configuration of C5
left-turn isomer
an absolute configuration of C5
The letter «D» in the name D-glucose means?
A.
B.
C.
D.
E.
33.
racemate
right-turn isomer
*relative configuration of C5
left-turn isomer
an absolute configuration of C5
The letter «S» in the name (S)-(+)-pentanol-2 means?
A.
B.
C.
D.
E.
34.
racemate
*an absolute configuration of C2
left-turn isomer
right-turn isomer
relative configuration of C2
The letter «R» in the name (R)-(-)-butanol-2 means?
A.
B.
C.
D.
E.
35.
A.
B.
C.
D.
E.
36.
A.
B.
C.
D.
E.
37.
racemate
*an absolute configuration of C2
left-turn isomer
right-turn isomer
relative configuration of C2
The sign «±» in the name (±)-butanol-2 means?
*racemate
an absolute configuration of C2
left-turn isomer
right-turn isomer
relative configuration of C2
The sign «-» in the name (R)-(-)-butanol-2 means?
racemate
an absolute configuration of C2
*left-turn isomer
right-turn isomer
relative configuration of C2
What is the name for the structure shown below?
A. Е-2-methylcyclopropane-1-carboxylic acid
B. anti-2-aminocyclopropane-1-carboxylic acid
C. Csyn-2-aminocyclopropane-1-carboxylic acid
D. *cis-2-aminocyclopropane-1-carboxylic acid
E. trans-2-aminocyclopropane-1-carboxylic acid
38. What is the name for the structure shown below?
A.
B.
C.
D.
E.
39.
Z-1,3-dimethylcyclohexane
Z-1,2-dimethylcyclohexane
E-1,2-dimethylcyclohexane
*trans-1,2-dimethylcyclohexane
cis-1,2-dimethylcyclohexane
How many optical isomers of 2,3,4,5-tetrahydroxypentanal are exist?
A.
B.
C.
D.
E.
40.
*eight
five
four
three
two
How many optical isomers of 2-amino-2-methylephenylacetic acid are exist?
A.
B.
C.
D.
E.
41.
eight
five
four
three
*two
How many optical isomers of 2-bromo-2,3-dichlorobutane are exist?
A.
B.
C.
D.
E.
42.
eight
five
*four
three
two
How many optical isomers of 2-hydroxypropanoic acid are exist?
A.
B.
C.
D.
E.
43.
eight
five
four
three
*two
How many optical isomers of pentanol-2 are exist?
eight
five
four
three
*two
Racemic mix is:
mezo-form
*mix of equal quantities of eneantiomers
mix of equal quantities of eneantiomers and diastereomers
mix of diastereomers
mix of optically inactive compounds
Functional group isomers - compounds which are differ in:
presence of asymmetrical carbon atom
various arrangement of multiple bonds
*structure of the functional groups, leading a difference in properties
various sequence of linkage of the atoms forming a carbon skeleton of a molecule
various arrangement of identical functional groups
Diastereomers - are isomers, which are:
represent the racemic mix
have an identical configuration of all asymmetrical carbon atoms
*differ by configuration of one or several asymmetrical carbon atoms and not related to each other as
a subject and its mirror image
D. contain various number of asymmetrical carbon atoms
E. contain asymmetrical carbon atoms and related to each other as a subject and its mirror image
47. Which of the following statements characterizes carboxylic group influence in 4-nitrobenzoic
acid?
A.
B.
C.
D.
E.
44.
A.
B.
C.
D.
E.
45.
A.
B.
C.
D.
E.
46.
A.
B.
C.
A.
B.
C.
D.
E.
48.
A.
B.
C.
D.
E.
49.
A.
B.
C.
D.
E.
50.
A.
B.
C.
D.
E.
positive inductive, negative mesomeric effects
only negative mesomeric effect
positive inductive, positive mesomeric effects
*negative inductive, negative mesomeric effects
negative inductive, positive mesomeric effects
Isomers of carbon chain (carbon skeleton) - compounds which are differ in:
arrangement of atoms and atomic groups in space
position of multiple bond in a molecule
the nature of functional groups
*various sequence of linkage of the atoms forming a carbon skeleton of a molecule
various position of functional groups in a molecule
Enantiomers - are isomers, which are:
represent the racemate
have the various order of linkage of carbon atoms in a molecule
have an identical configuration at one of asymmetrical carbon atom, but various at other one
differ by configuration at one of asymmetrical carbon atoms
*contain asymmetrical carbon atoms and related to each other as a subject and its mirror image
Asymmetrical (chiral) carbon atom is?
out from a plane of double bond
in sр-hybridization
in sр2-hybridization
*connected with four various substituents
in sр3-hybridization
51. Which of the following statements characterizes dimethylamino-group influence in 4-N,N-
dimethylaminobenzoic acid?
A.
B.
C.
D.
E.
52.
*positive mesomeric, negative inductive effects
negative mesomeric, negative inductive effects
only negative inductive effect
negative mesomeric, positive inductive effects
only negative mesomeric effect
Which of the following statements characterizes methoxy-group influence in vinylmethyl ether?
A.
B.
C.
D.
E.
53.
negative inductive effect
positive inductive, negative mesomeric effects
positive inductive, positive mesomeric effects
negative inductive, negative mesomeric effects
*negative inductive, positive mesomeric effects
Which of the following statements characterizes cyano-group influence in akrylonitrils?
A.
B.
C.
D.
E.
54.
shows only negative inductive effect
shows positive inductive, positive mesomeric effects
shows positive inductive, negative mesomeric effects
shows negative inductive, positive mesomeric effects
*shows negative inductive, negative mesomeric effects
What type of conjugation exist in allylic alcohol?
A.
B.
C.
D.
E.
55.
π-conjugation
conjugation is absent
π,π-conjugation
ρ,π-conjugation
σ,π-conjugation
Which variant is a correct one of electronic density distribution in 4-nitrobenzoic acid?
A.
B.
C. *
D.
E.
56. What is the name for the radical shown below?
CH3-CH2-CH2A. isobutyl
B. methyl
C. isopropyl
D. butyl
E. *n-propyl
57. What is the name for the radical shown below?
A.
B.
C.
D.
E.
58.
sec-butyl
methyl
*isopropyl
butyl
n-rpopyl
What is the name for the structure shown below?
A.
B.
C.
D.
E.
2-hydroxypentanone-4
*4-hydroxypentanone-2
pentanol-4-one-2
4-hydroxy-2-oxopentane
4-oxopentanol
59. What is the name for the dialcohol shown below?
A.
B.
C.
D.
E.
60.
3-hydroxybutanol-2
*butandiol-2,3
butandiol-3
butanol-2,3
3,4-dihydroxybutane
What is the name for the hydrocarbon shown below?
A.
B.
C.
D.
E.
61.
1,3,4-methylbenzene
1,2,4-methylbenzene
trimethylbenzene
*1,2,4-trimethylbenzene
1,3,4-trimethylbenzene
What is the IUPAC name for the structure shown below?
A.
B.
C.
D.
E.
62.
hydroxybenzene
m-aminophenol
2-hydroxyaniline
2-nitrophenol
*2-aminophenol
What is the name for the structure shown below?
hexene-2
pentene-2
pentyne-3
pentene-3
*pentyne-2
To which class of compounds does ethylene glycole belong?
CH2OH-CH2OH
A. carboxylic acids
B. *alcohols
C. ketones
D. aldehydes
E. phenols
64. What is the IUPAC name for the structure shown below?
A.
B.
C.
D.
E.
63.
A. hydroxybenzene
B. *methylbenzene
C. ethylbenzene
D. propylbenzene
E. butylbenzene
65. To which class of compounds belongs glycerol?
carboxylic acids
*alcohols
ketones
aldehydes
phenols
To which class of compounds belongs the following one?
CH3-O-CH3
A. *ethers
B. carboxylic acids
C. ketones
D. aldehydes
E. alcohols
67. To which class of compounds belongs the following one?
A.
B.
C.
D.
E.
66.
A.
B.
C.
D.
E.
68.
ethers
*esters
ketones
aldehydes
alcohols
To which class of compounds belongs the following one?
ethers
carboxylic acids
ketones
*aldehydes
alcohols
What is the name of the functional group shown below?
-SH
A. cyano-group
B. *mercapto-group
C. imino-group
D. amino-group
E. sulfuric group
70. To which class of compounds belongs the following one?
CH3-CH2-OH
A. thiols
B. carboxylic acids
C. ketones
D. aldehydes
E. *alcohols
71. Chemical method is the method of:
A. infra-red spectography
B. *usage of qualitative reactions to determinate the functional groups, the structure of Carbon chain,
A.
B.
C.
D.
E.
69.
C.
D.
E.
72.
A.
B.
C.
D.
E.
73.
double or triple bonds in molecule
difraction
X-rays analysis
electronography
What is the name of the functional group shown below?
-NO2
nitrozo-group
sulfuric group
carboxylic group
amino-group
*nitro-group
What is the name of the functional group shown below?
=NH
A.
B.
C.
D.
E.
74.
nitrozo-group
hydroxy-group
*imino-group
amino-group
nitro-group
What is the name of the functional group shown below?
-NH2
A.
B.
C.
D.
E.
75.
mercapto-group
nitro-group
imino-group
*amino-group
diazo-group
What is the name of the functional group shown below?
aldehyde group
carboxylic group
hydroxy-group
*carbonyl group
mercapto-group
What is the name of the functional group shown below?
-COOH
A. hydroxy-group
B. keto-group
C. aldehyde group
D. carbonyl group
E. *carboxylic group
A.
B.
C.
D.
E.
76.
77.
A.
B.
C.
D.
E.
78.
A.
B.
C.
D.
E.
+
The following scheme
shows:
sp5-hybridization
sp4-hybridization
sp3-hybridization
*sp2-hybridization
sp-hybridization
In saturated organic compounds the atom of Carbon has:
sp5-hybridization
sp4-hybridization
*sp3-hybridization
sp2-hybridization
sp- and sp2-hybridization
H
C + 4H
79.
A.
B.
C.
D.
E.
H C H
H
shows:
The following scheme
hydrogen bond
donor-acceptor bond
polar bond
ion bond
*covalent bond
H
H
80.
A.
B.
C.
D.
E.
N
H
+ H+
H
H
The following scheme
hydrogen bond
*donor-acceptor bond
polar bond
ionic bond
semipolar bond
N
H
H
+
81.
A.
B.
C.
D.
E.
The following scheme
sp5-hybridization
sp4-hybridization
*sp3-hybridization
sp2-hybridization
sp-hybridization
shows:
H-O ... H-O ... H-O
H
H
H
0,176 í ì
82.
A.
B.
C.
D.
E.
83.
A.
B.
C.
D.
E.
84.
A.
B.
The following scheme
shows:
*hydrogen bond
donor-acceptor bond
polar bond
ion bond
semipolar bond
Alkenes are organic compounds that:
contain two double - C - C - bonds
contain Carbon cycle
contain - C - C – and triple bond (- C ≡ C - )
*contain only one - C - C – and double bond (- C = C -)
contain only - C - C - and - C - H - σ bonds
Choose the structural formula of butane:
C2H6O
CH3-CH2-CH2-CH2-CH2-CH3
0,099 í ì
H2
C
H2C
CH2
H2C
CH2
C
H2
C.
D. CH3-CH2-CH3
shows:
H
E. *
85.
A.
B.
C.
D.
E.
86.
H
H
H
H
C
C
C
C
H
H
H
H
H
The right name of following formula
is:
2-methyl-3-propilpentane
4-ethyl-3-propilpentane
2-ethyl-3-propilpentane
4-methyl-3 ethylheptane
*4-ethyl-3-methylheptane
An end-product of ethylbromide interaction with alcohol solution of alkali is:
A.
B.
C. *
D.
E.
87. An end-product in Lebedev’s reaction is:
A.
B.
C. *
D.
E.
88. A product of butanediol-1,3 dehydration is:
A.
B.
C.
D.
E. *
89. Сonditions of propene formation from 2-chloropropane are:
A.
B.
C.
D.
E.
90.
Ni, t˚ = 300-500˚C
NaHCO3
t˚ = 300-500˚C
H2SO4, t
*NaOH, alc. sol.
Which scientist’s name carries the rule, defining main direction of the following reaction?
A.
B.
C.
D.
E.
91.
Eltekov’s rule
Wurtz’s rule
Cucherov’s rule
*Zaitzev’s rule
Markovnikov’s rule
The product of the 2,3-dibromobutane’s dehalogenation is:
A.
B.
C.
D. *
E.
92. What is the name for the structure shown below?
A.
B.
C.
D.
E.
93.
2,2,5-trimethylepentene-3
2-dimethylhexene-3
5,5-dimethylhexene-3
*2,2-dimethylhexene-3
1,4,4-trimethylepentene-2
What is the name for the structure shown below?
A.
B.
C.
D.
2-ethylheptyne-3
5-methylheptene-3
3-methylheptyne-4
2-ethylhexyne-3
E. *5-methylheptyne-3
94. What is the name for the structure shown below?
A.
B.
C.
D.
E.
95.
3,4-dimethylhexene-1,5
*3-ethyl-4-methylhexadiene-1,5
4-methyl-3-ethylhexadiene-1,4
2,3- divinylpentane
3-methyl-4-vinylhexene-1
What is the name for the structure shown below?
A.
B.
C.
D.
E.
96.
4-methylpentadiene-1,3
isohexadiene
*4- methylpentadiene-1,2
dimethylbutadiene-1,2
2-methylpentadiene-3,4
What is the name for the structure shown below?
*isoprene
2-methylbutene-1,3
methylbutene-1,3
1-methylbutadiene-1,3
3-methylbutadiene-1,3
A main product of butene-1 interaction with HBr is:
CH3-CH2-CH=CH2 + HBr → ?
A.
B.
C.
D.
E.
97.
A.
B.
C.
D. *
E.
98. Which conditions for the alkane halogenation, proceeding under the scheme are necessary?
A. presence of concentrated H2SO4
B.
C.
D.
E.
99.
presence of PCl5
heating (~1000t)
*hv (ultrviolet)
O2
Vicinal alkyldihalide is:
A.
B.
C.
D.
E. *
100.
What is the name of the following compound?
A. 6-methyl-4-chlorohexene-2
B. *4-chloro-6-methylheptene-1
C. 6-methyl-4-chloroheptyne-1
D. 2-methyl-4-chloroheptene-5
E. 2-methyl-4-chlorohexene-5
101.
Which of the following compounds are allylhalides?
A. *
B.
C.
D. CH2=CH-CH2-CH2-Br
E. CH2=CH-Cl
102.
Heminal alkyl dihalide is:
A.
A. *
B.
C.
D.
103.
What is the name of the following compound?
A. 6-bromo-4-methylhexyne-1
B. *6-bromo-4-methylhexene-1
C. 1-bromo-3-methylhexene-5
D. 1-bromo-3-methylpentene-5
E. 5-bromo-3-methylpentene-1
104.
A product of the triphenylmethane oxidation is:
A. *
B.
C.
D.
E.
105.
A product of the biphenyl nitration is:
A.
B.
C.
D.
E. *
106.
A product of the shown below reaction is:
A.
B.
C. *
D.
E.
107.
A.
A product of the triphenylmethane bromination is:
B.
C.
D.
E. *
108.
A product of the shown below reaction is:
A.
B.
C. *
D.
E.
109.
A.
B. *
A product of the 4-nitrodiphenylmethane nitration is:
C.
D.
E.
110.
A.
B.
A product of the shown below reaction is:
C. *
D.
E.
111.
A.
B.
C.
A product of the shown below reaction is:
D. *
E.
112.
A product of the diphenylmethane bromination is:
A.
B.
C.
D. *
E.
113.
A product of the diphenylmethane oxidation is:
A.
B.
C. *
D.
E.
114.
A.
B.
C.
A product of the shown below reaction is:
D. *
E.
115.
A product of the shown below reaction is:
A.
B.
C.
D. *
E.
116.
A product of the shown below reaction is:
A.
B. *
C.
D.
E.
117.
A.
B.
C.
D. *
A product of the shown below reaction is:
E.
118.
A product of the shown below reaction is:
A. *
B.
C.
D.
E.
119.
A product of the shown below reaction is:
A. *
B.
C.
D.
E.
120.
A.
B.
C.
A product of the shown below reaction is:
D.
E. *
121.
A product of the shown below reaction is:
A.
B.
C.
D.
E. *
122.
A product of the shown below reaction is:
A.
B.
C.
D. *
E.
123.
A.
B.
A product of the shown below reaction is:
C. *
D.
E.
124.
A product of the shown below reaction is:
A.
B.
C.
D.
E.
125.
*
A product of the shown below reaction is:
A.
B.
C.
D.
E. *
126.
A.
A product of the shown below reaction is:
B.
C.
D. *
E.
127.
A.
B.
C. *
D.
A product of the shown below reaction is:
E.
128.
A product of the shown below reaction is:
A. *
B.
C.
D.
E.
129.
A.
A product of the shown below reaction is:
B. *
C.
D.
E.
130.
A.
B.
C.
D.
Product of the shown below reaction are:
E. *
131.
Product of the shown below reaction are:
A.
B.
C.
D.
*
E.
132.
A.
A product of the shown below reaction is:
B.
C.
D.
*
E.
133.
In which position SE reactions in naphthalene-1-carboxylic acid are mainly proceeding?
A. *Position 5
B. Position 4
C. Position 3
D. Position 2
E. Position 1
134.
In which position SE reactions in 1-nitronaphthalene are mainly proceeding?
A. *Position 5
B. Position 4
C. Position 3
D. Position 2
E. EPosition 1
135.
In which position SE reactions in a-naphthalenesulfonic acid is mainly proceeding?
A. *Position 5
B. Position 4
C. Position 3
D. Position 2
E. Position 1
136.
In which position SE reactions in a-aminonaphthalene are mainly proceeding?
A. Position 5
B. *Position 4
C. Position 3
D. Position 2
E. Position 1
137.
In which position SE reactions in b-naphthol are mainly proceeding?
A. Position 5
B. Position 4
C. Position 3
D. Position 2
E. *Position 1
138.
In which position SE reactions in a-naphthol are mainly proceeding?
A. Position 5
B. *Position 4
C. Position 3
D. Position 2
E. Position 1
139.
In which position SE reactions in naphthalene ring are mainly proceeding?
A. Position 1
B. Position 5
C. *Position 4
D. Position 3
E. Position 2
140.
In which position SE reactions in anthracene ring are mainly proceeding?
A. *Position 9
B. Position 8
C. Position 7
D. Position 6
E. Position 5
141.
In which position SE reactions in phenanthrene ring are mainly proceeding?
A. *Position 9
B. Position 8
C. Position 7
D. Position 6
E. Position 5
142.
In which position SE reactions in m-sulfobenzoic acid are mainly proceeding?
A. *Position 5
B. Position 4
C. Position 3
D. Position 2
E. Position 1
143.
In which position SE reactions in 4-methyl-N-methylaniline are mainly proceeding?
A. Position 5
B. Position 4
C. Position 3
D. *Position 2
E. Position 1
144.
In which position SE reactions in o-chloroanisol are mainly proceeding?
A. Position 5
B. *Position 4
C. Position 3
D. Position 2
E. Position 1
145.
In which position SE reactions in p-methoxyphenol are mainly proceeding?
A. Position 5
B. Position 4
C. Position 3
D. *Position 2
E. Position 1
146.
In which position SE reactions in o-aminoanisol are mainly proceeding?
A. Position 5
B. *Position 4
C. Position 3
D. Position 2
E. Position 1
147.
In which position SE reactions in 3-nitrobenzoic acid are mainly proceeding?
A. *Position 5
B. Position 4
C. Position 3
D. Position 2
E. Position 1
148.
In which position SE reactions in 1,3-benzenedisulfuric acid are mainly proceeding?
A. *Position 5
B. Position 4
C. Position 3
D. Position 2
E. Position 1
149.
In which position SE reactions in p-aminophenol are mainly proceeding?
A. Position 6
B. Position 4
C. *Position 3
D. Position 2
E. Position 1
150.
Which position subsequent substituents in SE reactions will substitute?
A. Position 6
B. Position 4
C. *Position 3
D. Position 2
E. Position 1
151.
Which position subsequent substituents in SE reactions will substitute?
A. Position 6
B. Position 4
C. *Position 3
D. Position 2
E. Position 1
152.
Which position subsequent substituents in SE reactions will substitute?
A. Position 6
B. Position 4
C. *Position 3
D. Position 2
E. Position 1
153.
Which sequence the increasing of the electrophilic substitution reaction rate of the
following compounds describes?
A. A, C, B
B. *C, A, B
C. C, B, A
D. B, A, C
E. A, B, C
154.
Which sequence the increasing of the electrophilic substitution reaction rate of the
following compounds describes?
A. *A, C, B
B. C, A, B
C. C, B, A
D. B, A, C
E. A, B, C
155.
Which sequence the increasing of the electrophilic substitution reaction rate of the
following compounds describes?
A. *A, C, B
B. C, A, B
C. C, B, A
D. B, A, C
E. A, B, C
156.
Which sequence the increasing of the electrophilic substitution reaction rate of the
following compounds describes?
A. *A, C, B
B. C, A, B
C. C, B, A
D. B, A, C
E. A, B, C
157.
Which sequence the increasing of the electrophilic substitution reaction rate of the
following compounds describes?
A. C, A, B
B. B, A, C
C. B, A, C
D. A, B, C
E. *B, C, A
158.
Which sequence the increasing of the electrophilic substitution reaction rate of the
following compounds describes?
A. A, C, B
B. *C, A, B
C. C, B, A
D. B, A, C
E. A, B, C
159.
Which sequence the increasing of the electrophilic substitution reaction rate of the
following compounds describes?
A. A, C, B
B. C, A, B
C. C, B, A
D. B, A, C
E. *A, B, C
160.
Which sequence the increasing of the electrophilic substitution reaction rate of the
following compounds describes?
A. A, C, B
B. C, A, B
C. *C, B, A
D. B, A, C
E. A, B, C
161.
Which sequence the increasing of the electrophilic substitution reaction rate of the
following compounds describes?
A. A, C, B
B. C, A, B
C. C, B, A
D. B, A, C
E. *A, B, C
162.
Which sequence the increasing of the electrophilic substitution reaction rate of the
following compounds describes?
A. A, C, B
B. *C, A, B
C. C, B, A
D. B, A, C
E. A, B, C
163.
A product of the shown below reaction is:
A.
B.
C. *
D.
E.
164.
A.
B.
C.
D.
A product of the shown below reaction is:
E. *
165.
A product of the shown below reaction is:
A.
B.
C. *
D.
E.
166.
A product of the shown below reaction is:
A.
B. *
C.
D.
E.
167.
A.
Which compound is a product of isoprene polymerization?
B.
C.
D. *
E.
168.
A.
B.
C.
D.
*Cu(NH3)2OH
KMnO4 (H2O)
Br2 (CCl4)
HBr
E.
169.
A.
B. *
C.
D.
Which reagents allow distinguishing butyne-1 from butyne-2?
A reagent (?) and an intermediate product (A) of the shown below reaction are:
E.
170.
Intermediate compound (A) and final product (B) of the shown below reaction are:
A.
B.
C. *
D.
E.
171.
Which of the listed below compound decolorize water solution of potassium
permanganate?
A. hexane
B. cyclohexane
C. *ethylene
D. ethane
E. butane
172.
End-product of the propene hydrobromination is:
A.
B.
C.
D. *
E.
173.
Main product of butadiene-1,3 hydrogenation is:
A.
B.
C.
D. *
E.
174.
A product of the shown below reaction is:
A.
B.
C.
D.
E. *
175.
A.
B.
C. *
D.
Propyne formation reaction is:
E.
176.
Main product of butadiene-1,3 interaction with bromine is:
A.
B.
C.
D. *
E. E.
177.
The end-product of propene interaction with bromine is:
A.
B.
C.
D.
E. *
178.
A.
B.
C.
The end-product of propene interaction with water is:
D. *
E.
179.
The end-product of propene interaction with HCl is:
A.
B.
C.
D. *
E.
180.
Which of the listed reagents allow distinguishing of acetylene from ethylene?
A. NaHCO3
B. HBr
C. *Ag(NH3)2OH
D. KMnO4 (H2O)
E. Br2 (H2O)
181.
Which of the following compound are chain isomers?
A.
B.
C.
D. *
E.
182.
Which of the following compound contain conjugated multiple bonds?
A.
B. *
C.
D.
E.
183.
What is the name for the structure shown below?
A. hexadiene-2,3
B. pentamethylallene
C. 1,3-dimethylpropanediene-1,2
D. 1,2-dimethylallene
E. *pentadiene-2,3
184.
A product of butadiene-1,3 polymerization is:
A.
B.
C.
D. *
E.
185.
A reagent and conditions in which Cucherov’s reaction proceeds are:
A. NaOH aq. sol., t°
B. *H2O, H2SO4, HgSO4
C. O3 (t°)
D. KMnO4 (H+)
E. NaOH, alc. sol., t°
186.
As a result of 2-methylbutene-2 interaction with HBr formed:
A.
B.
C.
D.
E. *
187.
Starting compound (A) and an end-product of shown below reaction are:
A.
B.
C.
D.
E. *CH4 and Ag- C =C -Ag
188.
The end-products of butyne-2 oxidation by potassium permanganate is:
A.
B.
C. 2 HCOOH
D. *2 CH3COOH
E. CH3COOH + HCOOH
189.
Starting compound (?) and an end-product of shown below reaction are:
A.
B.
C.
D. *
E.
F.
190.
A product of acetylene interaction with sodium amid is:
A.
B.
C. *
D.
E.
191.
The end-product of 3-methylbutyne-1 interaction with water under Cucherov’s reaction
conditions is:
A.
B.
C.
D.
E. *
192.
The end-product of butyne-2 interaction with water under Cucherov’s reaction
conditions is:
A.
B.
C. *
D.
E.
193.
A product of propyne interaction with HCl is:
A.
B.
C.
D. *
E.
194.
The end-product of butyne-2 interaction with excess of chlorine is:
A.
B.
C.
D. *
E.
195.
A.
B. *
Starting compound (A) and an end-product of shown below reaction are:
C.
D.
E.
196.
Starting product for the ozonide decomposition is:
A.
B.
C. *
D.
E.
197.
Interaction of ethylene with water solution of potassium permanganate gives:
A.
B.
C.
D. *
E.
198.
What is the name for the structure shown below?
A. *isopropylethylacetylene
B. dimethylepentyne-2
C. isopropylbutyne-1
D. 5-methylhexyne-3
E. 3-methylhexyne-3
199.
What is the name for the structure shown below?
A. *4-methylpentyne-2
B. 4-methylpentene-2
C. methylpentyne-2
D. isobutylpropyne
E. 2-methylpentyne-3
200.
What is the name for the structure shown below?
A. 4-methyl-2-ethylhexene-4
B. 3,5-dimethylheptene-5
C. 3-methyl-5-ethylhexene-2
D. *3,5-dimethylheptane-2
E. 3,5-dimethylpentene
201.
What is the name for the structure shown below?
A.
B.
C.
D.
E.
4,4-methylhexene-2
4,4-dimethylhexene
*4,4-dimethylhexene-2
3,3-dimethylhexene-4
2-methyl-2-ethylpentene-3
CH3
CH
CH3
CH2 C
CH3
202.
Choose the right name for the molecule: CH3
A. 1,1,4,4-tetramethylbutane
B. 2,2-dimethyl-4-methylpentane
C. *2,2,4-trimethylpentane
D. 2,2,4-trimethylhexane
E. 2,4,4-trimethylpentane
203.
The correct name for the shown below compound is:
A. bicyclo[3,2,0]hexane
B. bicyclo[2,3]hexane
C. *spiro[2,3]hexane
D. spiro[3,2]hexane
E. spiro[3,4]hexane
204.
The correct name for the shown below compound is:
A. *spiro[2,2]pentane
CH3
B. spirobutane
C. spiro[2,3]pentane
D. bicyclopentane
E. dicyclopropane
205.
The correct name for the shown below compound is:
A. bicyclo[3,4]octane
B. bicyclo[4,3]heptane
C. spiro[4,3]heptane
D. bicyclooctane
E. *spiro[3,4]оctane
206.
The correct name for the shown below compound is:
A. spirooctane
B. *spiro[3,5]nonane
C. bicyclononane
D. cyclo[3,5]nonane
E. spiro[5,3]octane
207.
The correct name for the shown below compound is:
A. spiro[2,0]heptane
B. spiro[3,2]heptane
C. bicyclo[3,2]heptane
D. *bicyclo[3,2,0]heptane
E. bicyclo[0,2,3]heptane
208.
The correct name for the shown below compound is:
A. bicyclo[3,1,1]heptane
B. spiro[3,1,1]heptane
C. bicyclo[1,1,3]heptane
D. benzemethylene
E. *bicyclo[3,1,1]heptane
209.
The correct name for the shown below compound is:
A. *bicyclo[2,2,1]heptane
B. bicycloheptane
C. spiro[2,2,1]heptane
D. bicyclo[1,2,2]heptane
E. spiro[1,2,2]heptane
210.
The correct name for the shown below compound is:
A. bicyclo[3,2,0]octane
B. 3,2,1-bicyclooctane
C. *bicyclo[3,2,1]octane
D. bicyclo[1,2,3]octane
E. bicyclooctane
211.
The correct name for the shown below compound is:
A. spiro[2,4]octane
B. spiro[4,2,2]octane
C. bicyclo[4,2,2]octane
D. *bicyclo[4,2,0]octane
E. bicyclo[6,4,2]octane
212.
The main product of cyclopentane’s interaction with chlorine is:
A.
B. *
C.
D. Cl-CH2-CH2-CH2-CH2-CH2-Cl
E.
213.
The end-product (C) in the shown below scheme is:
A. CH3-CH2-CH2 -CH3
B. CH≡CH
C. CH3-CH2-CH3
D. *CH3-CH3
E. CH2=CH2
214.
The product of methylcyclopropane’s interaction with HBr is:
A.
B.
C. *
D.
E.
215.
The product of cyclopropane’s interaction with HBr is:
A.
B.
C.
D. *
E.
216.
Conditions of Konovalov’s alkanes nitration are:
A. t = 100˚C, Р,concentrated HNO3
B. t = 25˚C, diluted HNO3
C. *t = 140˚C, Р,diluted HNO3
D. t = 20˚C, Р, concentrated HNO3
E. t = 140˚C, Р,concentrated HNO3
217.
The product of cyclohexane’s interaction with bromine under the light is:
A.
B.
C.
D. *
E.
218.
The product of cyclobutane’s interaction with bromine is:
A.
B. Br-CH2-CH2-CH2-CH2-Br
C.
D. CH3-CH2-CH2-CH2-Br
E. *
219.
Which type of the covalent carbon-carbon bond exists in cyclopropane?
A. triple bond
B. double bond
C. *t- or banana bond
D. π-bond
E. ionic bond
220.
An intermediate and end products of the shown below reactions are?
A.
B.
C.
D. *
E.
221.
;
Intermediate products of the chemical transformation (shown below) are:
A. CH3−CH3, CH≡CH
B. CH3−CH3, CH2=CH2
C. *CH≡CH, CH2=CH2
D.
E. CH≡CH, CH3−CH=CH2
222.
Main product of the shown below reaction is?
A.
B.
C. *
D.
E.
223.
Which of the following structures is the product of aluminium carbide
interaction with water?
A. CH3-CH2-СН3
B. CH3-CH3
C. *CH4
D. СН≡СН
E. СН2=СН2
224.
What type of chemical reactions is characteristic for alkanes?
A. elimination (E)
B. *radical substitution (SR)
C. nucleophilic substitution (SN)
D. electrophilic substitution (SE)
E. electrophilic addition (AE)
225.
What is the chemical name for the structure shown below?
A.
B.
C.
D.
*1-methyl-3-propylcyclopentane
1-methyl-3-propylpentane
1-methyl-3-isopropylpropane
1-methyl-4-isopropylcyclopentane
E. propylcyclopentane
226.
What is the chemical name for the structure shown below?
A. 1,2,3-trimethylcyclopentane
B. 1,2,3-trimethylcyclobutane
C. *1,2,3- trimethylcyclopropane
D. trimethylcyclopropane
E. 1,2,3-trimethylpropane
227.
What is the chemical name for the structure shown below?
A. 1-methyl-3-ethylbenzene
B. 1-methyl-3-ethylcyclohexane
C. m-ethylcyclohexane
D. *1-ethyl-3-methylhexane
E. 3-ethylcyclohexane
228.
What is the chemical name for the structure shown below?
A. isopropylbutane
B. propylcyclopropane
C. propylbutane
D. *propylcyclobutane
E. isopropylcyclohexane
229.
What is the chemical name for the structure shown below?
A. 2,3-cyclohexane
B. o-dimethylcyclohexane
C. 2,3-methylbenzene
D. o-dimethylbenzene
E. *1,2-dimethylcyclohexane
230.
What is the chemical name for the structure shown below?
A. *2,3,5-trimethylhexane
B. 4,5-trimethylhexane
C.
D. 2-isopropyl -4-methylpentane
E. 2,3-trimethyl-1-isopropylbutane
F. 2,2,4-trimethylhexane
231.
What is the chemical name for the structure shown below?
A. 3,5-diethylhexane
B. 1,1,3-triethylbutane
C. 3-methyl-1,1-diethylpentane
D. *3-ethyl-5-methylheptane
E. 5-methyl-2-ethylheptane
232.
What is the chemical name for the structure shown below?
A. 3-butyl-2-methylpentane
B. *3-ethyl-2,4-dimethylhexane
C. 3-isopropyl-4-ethylhexane
D. 2,4-dimethyl-3-ethylhexane
E. 3,5-dimethyl-4-ethylhexane
233.
What is the chemical name for the structure shown below?
A. isobutylethane
B. *ethyltrimethylmethane
C. tetrabutylmethylethane
D. tetramethylethane
E. tetramethylmethane
234.
What is the chemical name for the structure shown below?
A. 1,1,4,4-tetramethylbutane
B. 2,2-dimethyl-4-methylpentane
C. *2,2,4-trimethylpentane
D. 2,2,4-trimethylhexane
E. 2,4,4-trimethylpentane
235.
To determine mono-, di-, tri- and polyhydric phenols it is necessary to do the reaction
with:
A. Lucas reagent
B. heavy metals
C. *FeCl3
D. NaOH
E. Cu(OH)2
236.
What are the products of the reaction C6H5−ONa + C2H5−Br ↔?
A. C6H5−O−C2H5 + Na + Br2
B. *C6H5−O−C2H5 + NaBr
C. C6H5−ONa + C2H5−Br
D. C6H6 + NaBr + C2H6
E. C6H5−OBr + C2H5−Na
237.
Choose the final product of phenol nitration:
HO
OH
A.
OH
O 2N
NO2
O 2N
B.
NO2
NO2
OH
O 2N
C. *
NO2
NO2
OH
NO2
D.
NO2
OH
NO2
E.
H3C
H2C
H2C
H2C
OH
238.
Give the right name
:
A. 4-butylbenzene-1-ol
B. 1-butylphenol
C. *4-butylphenol
D. 4-phenylbutane
E. 1-phenylbutane
239.
The products of reaction CH3−O−CH3 + HI → are:
A. CH4 +HOH + CH3I
B. CH3−OI + CH4
C. CH3−OH + CH3−OH
D. *CH3−OH + CH3I
E. CH2I−O−CH3 + H2
240.
The general formula of saturated monothio alcohols is:
A. CnH2nSH
B. CnH2n-3SH
C. CnH2n+2SH
D. CnH2n-2SH
E. *CnH2n+1SH
241.
What compound reacts with sodium hydroxide to form alcohol?
A. CH3−CHCl2
B. C2HCl
C. CH3−CCl3
D. *CH3CH2Cl
E. CH2=CH−Cl
242.
Mercaptane group is:
A. -N=N−
B. -Hg
C. *-SN
D. -SCN
E. -CN
243.
What is the product of reaction of ethanol with acetic acid?
A. ethylacetate
B. *acetoasetic ether
C. ethyl formiate
D. diethyl ether
E. acetanhydride
244.
55.
Choose the right name of the next compound CH3−C=C−CH2−CH2−OH:
A. pentyn-3-ol-5
B. 2-propinylethanol
C. pentyn-3-ol-1
D. 5-hydroxypentyn-2
E. *pentene-2-ol-5
245.
The general formula of saturated monohydroxy alcohols is:
A. CnH2nOH
B. CnH2n-3OH
C. CnH2n+2OH
D. CnH2n-2OH
E. *CnH2n+1OH
246.
What compound reacts with sodium hydroxide to form alcohol?
A. CH3−CHCl2
B. C2HCl
C. CH3−CCl3
D. *CH3CH2Cl
E. CH2=CH−Cl
247.
To distinguish glicerine and ethanol it is necessary to use:
A. FeCl3
B. *Cu(OH)2
C. HBr
D. KMnO4
E. [Ag(NH3)2]OH
248.
What is the product of reaction of ethanol with acetic acid?
A. ethylacetate
B. *acetoasetic ether
C. ethyl formiate
D. diethyl ether
E. acetanhydride
249.
How many chiral carbon atoms does molecule of glycerine contain?
A. 3
B. *0
C. 2
D. 1
E. 4
250.
Choose the right name of the next compound CH3−C≡C−CH2−CH2−OH:
A. pentyne-3-ol-5
B. pentyne-2-ol-5
C. 5-hydroxypentyne-2
D. *pentyne-3-ol-1
E. 2-propinylethanol
251.
Norsulphazol is:
A. used as an 5-10% ointment or powder by wounds, urticaria or skin diseases which are characterized
by itching
B. an antibacterial mean by infection of urinal canals
C. a hypoglycemic mean
D. *used by pneumonia, meningitis, staphylococcal and streptococcal sepsis, infectious diseases
E. a local anaesthetic
252.
Sulphanilic acid has acidic centre:
A. SO2NH3
B. SO2NH2
C. -SO3NH2
D. *-SO3H
E. -SO2H
253.
Bucarbane - is:
A. *a hypoglycemic mean
B. a local anaesthetic
C. an antibacterial mean by infection of urinal canals
D. used by pneumonia, meningitis, staphylococcal and streptococcal sepsis, infectious diseases
E. an antibacterial mean, is a part of eye-drops
254.
All sulphanylamidic medicines contain the next fragment:
A. 4-NH3-C6H4-SO2-NHR
B. 5-NH2-C6H4-SO2-NHR
C. 6-NH2-C6H4-SO2-NH2R
D. *4-NH2-C6H4-SO2-NHR
E. 2-NH3-C6H6-SO2-NHR
255.
Aniline C6H5NH2 is:
A. crystal solid. It is formed in the process of rotting of corpses. In the human organism it is used for
synthesis of biologically active polyamines which take part in the biosynthesis of DNA and
RNA.
B. gas with the smell of ammonium. Methylamine is used in the production of medicines, dyes,
insecticides and fungicides
C. white crystal solid. It is used as stimulator of CNS
D. liquid. It is formed in the process of rotting of corpses like putrescin
E. *colourless liquid with peculiar smell. It is poisonous. It is used in the process of synthesis of dyes,
medicines, plastic materials
256.
The products of reaction CH3CH2NH2 + CH3I → are:
A. C2H5NO3 + H2
B. C2H5NO3 + H2O
C. C2H5NO2 + H2O+ CH3I
D. C2H5NO2 + HI
E. *CH3CH2NHCH3 + HI
257.
The products of reaction C2H5Cl + H2O ↔ are:
A. C2H5OH + Cl2
B. C2H5OCl + H2
C. CH3Cl + CH3Cl + H2O
D. C2H5OCl + H2O
E. *C2H5OH + HCl
258.
An end-product of aniline bromination is:
A.
B. *
C.
D.
E.
CH3
CH3 CH CH2
C
CH3
Br
CH3
259.
Write the right name of compound
A. 1,1,1-trimethyl-3-bromopropane
B. 1-bromo-1,3-dimethylbutane
C. 2-dimethyl-4-bromopentane
D. *2-bromo-4,4-dimethylpentane
E. 4-dimethyl-2-bromopentane
260.
CHCl3 - chloroform - is:
A. the strong narcotic means, especially for short-term narcosis
B. *the mean for inhalative narcosis. It is relatively toxic. In the presence of light it can oxidize with
O
forming of HCl and phosgene ( Cl C Cl ) - which is very toxic compound
C. is one of the best means of general narcosis
D. the antiseptic mean. It is crystal compound, it has yellow colour. It is used as powder and ointment
E. the mean for the local anaesthetization when there are neuralgia, large superficial cuts, wounds.
Because of the fast evaporation from the skin ethyl chloride causes the strong cooling and loss
of painful sensitivity
261.
What compound will form after the sulfonation of naphthalene by concentrated sulfate
acid at 160oС?
A. *2-naphthalenesulfoacid
B. 1-naphthalenesulfoacid
C. 3-naphthalenesulfoacid
D. 4-naphthalenesulfoacid
E. 5-naphthalenesulfoacid
262.
Specify the compound which belongs to condense arenes.
A. Benzene
B. *Anthracene
C. Diphenyl
D. Diphenylmethane
E. Triphenylmethane
263.
Which method can be used to obtain naphthalene?
A. From toluene
B. From ethylene at 200 о
C. *From acetylene at 700-800o
D. Trimerization of ethylene
E. From phenol
264.
Which method can be used in industry to obtain phthalic anhydride?
A. Hydrolysis of phthalic acid
B. Oxidation of phenol
C. Reduction of naphthalene
D. *Oxidation of naphthalene
E. Decarboxylation of phthalic acid
265.
More easy reactions of accession go in:
A. Naphthalene
B. Benzene
C. Toluene
D. Xylene
E. *Anthracene
266.
Which compound is formed at the nitration of alpha-methylnaphthalene?
A. 1-Methyl-2-nitronaphthalene
B. *1-Methyl-4-nitronaphthalene
C. 1-Methyl-3-nitronaphthalene
D. 1-Methyl-5-nitronaphthalene
E. 1-Methyl-8-nitronaphthalene
267.
Which compound is formed after the nitration of beta-naphthol?
A. *1-Nitronaphthol-2
B. 3-Nitronaphthol-2
C. 4-Nitronaphthol-2
D. 5-Nitronaphthol-2
E. -Nitronaphthol-2
268.
Which compound is formed after the nitration of 1-nitronaphthalene?
A. *1,4-Dinitronaphthalene + 1,8-dinitronaphthalene
B. 1,2-Dinitronaphthalene + 1,4-dinitronaphthalene
C. 1,2-Dinitronaphthalene + 1,5-dinitronaphthalene
D. 1,5-Dinitronaphthalene + 1,8-dinitronaphthalene
E. 1,4-Dinitronaphthalene + 1,8-dinitronaphthalene
269.
Choose the reagent which can be used in the obtaining of semicarbazone of
acetophenone:
A. *H2N-NH-CO-NH2
B. H2N-CH3
C. H2N–OH
D. H2N–C6H5
E. H2N–NH–C6H5
270.
For the aromatic hydrocarbons the most character are reactions of:
A. Nucleophilic substitution
B. Electrophilic accession
C. *Electrophilic substitution
D. Elimination
E. Radical substitution
271.
Reactions of nitration, sulfonation, alkylation, acylation for aromatic hydrocarbons go
by the following mechanism:
A. Free radical substitution
B. *Electrophilic substitution
C. Nucleophilic accession
D. Elimination
E. Nucleophilic substitution
272.
To which class of organic compound alpha-naphthol belongs?
A. Arenes
B. Alcohols
C. Thiols
D. Carboxylic acids
E. *Phenols
273.
Specify the compound which belongs to the condense arenes.
A. *anthracene
B. benzene
C. diphenyl
D. diphenylmethane
E. triphenylmethane
274.
Which of the following compounds more easily gives nitration reaction?
A. Benzoic acid
B. Benzene
C. *Methylbenzene
D. Nitrobenzene
E. Chlorbenzene
275.
Specify in the presence of what functional group substitution reaction in benzene ring
goes in orto- and para-location:
A. *-ОН
B. -СООН
C. -NO2
D. -С(О) Н
E. -SO3H
276.
Name the mechanism of the toluene nitration by the benzene ring.
A. *SE
B. E1
C. E2
D. SN1
E. SN2
277.
Name the mechanism of the substitution reaction in benzene molecule.
A. *SE
B. SE and SN
C. SR
D. SN
E. SR and SN
278.
Hydroxyl group in phenol molecule is orients in the following locations:
A. -o
B. –о, -m
C. -m
D. -m, p
E. *–о, -p
279.
Which of the following compounds belongs to carbocyclic?
A. Furan
B. *Benzene
C. Tetrahydrofuran
D. Pyridine
E. Hexane
280.
Specify what is the nitric mixture and the mechanism of arenes nitration:
A. *c.HNO3 + c. H2SO4; SE
B. КNO3 + c. H2SO4; SE
C. KCl + HNO3; SR
D. c. HNO3 + c. H2SO4; SR
E. c. HNO3 + c. HCl; SN
281.
Which of the following compounds is the main product of the chlorination of
ethylbenzene at the presence of UV-light?
A. Chlorobenzene
B. 2-Chloro-1-phenylethane
C. 2-Ethylchlorobenzene
D. *1-Chloro-1-phenylethane
E. Benzylchloride
282.
In which case chlorobenzene is the product of reaction?
A. С6Н6 + Cl2 , hv
B. *С6Н6 + Cl2 , cat
C. С6Н14 + 3Cl2 , hv
D. С6Н4 + Cl2
E. С6Н14 + Cl2, hv
283.
Reaction of the transformation of toluene in benzoic acid takes place in the following
conditions:
A. Action of hydrogen peroxide at the room temperature
B. Heating with sulfate acid
C. *Boiling with potassium permanganate
D. Action of sodium hydroxide at the room temperature
E. Boiling on the air
284.
Which of the following substitutes belongs to the meta-orientants?
A. -ОН
B. -C2H5
C. -N(CH3)2
D. *-СООH
E. -NH2
285.
Substituent of the II type (m-orientant) is:
A. Amino-group
B. Hydroxyl group
C. Alkyl group
D. Halogen
E. *Carbonyl group
286.
Which of the following substitutes belongs to the meta-orientants?
A. *-SO3H
B. -OH
C. -C2H5
D. -Cl
E. -Br
287.
Which of the following substitutes belongs to the orto- and para-orientants?
A. Carboxyl group
B. Nitro-group
C. *Aminogroup
D. Carbonyl group
E. Sulfo-group
288.
Which of the following substitutes does not belong to the meta-orientants in the
electrophilic substitution reactions in benzene ring?
A. NO2
B. *NH2
C. COH
D. SO3H
E. COOH
Which of the following substitutes does not belong to the meta-orientants in the
electrophilic substitution reactions in benzene ring?
A. *OCOR
B. NO2
C. COR
D. COOR
E. COOH
290.
Which of the following substitutes belongs to the orto- and para-orientants?
A. -CНO
B. -СООН
C. -NO2
D. *-OH
E. -SO3H
291.
How many Hydrogen atoms can be joined to the benzene molecule at the presence of
catalyst?
A. 2
B. 4
C. *6
D. 5
E. 1
292.
According to the Hukel’s rule number of A-electrons in the aromatic system determine
by the formula (4n + 2). What number of --electrons acridine molecule contains?
A. 6
B. 10
C. 8
D. *14
E. 12
293.
One of the conditions of formation of aromatic system is Hukel’s rule, according to
which the number of electrons that take part in the conjugation, express by the following
formula:
A. 4n
B. n + 2
C. *4n + 2
D. 2n + 2
E. n + 4, where n = 1,2,3,4
294.
What electronic effects has nitrobenzene molecule? In which position will first nitrogroup direct second nitro-group at the following nitration?
A. *-І, - M, orients in m–location
B. -І, - M, orients in о- and p –locations
C. -І, + M, orients in о- and p–locations
D. +І, - M, orients in m–location
E. +І, + M, orients in о- and p-locations
295.
For the alkanes nitration (Konovalov’s reaction) used:
A. HNO3 (conc.), H2SO4 (conc.)
B. *HNO3 (dil.), t°, p HNO3
C. CH3COONO2 (acetylnitrate)
D. КNO3, H2SO4 (conc.)
E. NaNO2, H2SO4 (conc.)
296.
1Choose the product which formed after the nitration of benzoic acid:
A. 4-Nitrobenzoic acid
B. 2-Nitrobenzoic acid
C. *3-Nitrobenzoic acid
D. Mixture of 2- and 4-nitrobenzoic acids
E. Mixture 2- and 3-nitrobenzoic acids
297.
What compound will form as a result of 1-nitronaphthalene nitration?
A. 1,4-Dinitronaphthalene + 1,8-dinitronaphthalene
B. 1,2-Dinitronaphthalene + 1,4-dinitronaphthalene
289.
C. 1,2-Dinitronaphthalene + 1,5-dinitronaphthalene
D. *1,5-Dinitronaphthalene + 1,8-dinitronaphthalene
E. 1,4-Dinitronaphthalene + 1,8-dinitronaphthalene
298.
Reduction of nitrobenzene (Zinin’s reaction) allows obtaining a lot of azoth contained
compounds. Which of the following compounds are formed as a result of Zinin’s reaction?
A. Nitrobenzene, benzoldiazonium chloride
B. Nitrobenzene, phenylhydroxyleamine, aniline
C. Aniline and nitroaniline
D. Azooxibenzene and benzoldiazonium chloride
E. *Nitrobenzene, phenylhydroxylamine, azooxibenzene, azobenzene, hydrazobenzene, aniline
299.
What nitrocompound will form as a result of ?-methylnaphthalene nitration?
A. 1-Methyl-4-nitronaphthalene
B. *1-Метил-2-nitronaphthalene
C. 1-Метил-3-nitronaphthalene
D. 1-Метил-5-nitronaphthalene
E. 1-Метил-8-nitronaphthalene
300.
What nitrocompound will form as a result of β-naphthol nitration?
A. 3-Nitronaphthol-2
B. *1-Nitronaphthol-2
C. 5-Nitronaphthol-2
D. 4-Nitronaphthol-2
E. 8-Nitronaphthol-2
301.
Choose the conditions of the saturated hydrocarbons (alkanes) nitration:
A. KNO3 + HCl
B. Conc. HNO3 + conc. H2SO4
C. *Dil. HNO3, at the higher To and higher Р
D. Conc. HNO3
E. Dil. HNO3 on the cold
302.
Determine the product which formed at the nitration of nitrobenzene by nitric mixture
(conc. HNO3 + conc. H2SO4)
A. p– Dinitrobenzene
B. m– Nitrobenzolsulfoacid
C. *m – Dinitrobenzene
D. o– Dinitrobenzene
E. p – Nitrobenzolsulfoacid
303.
At the reduction of nitrobenzene in alkali medium it is possible to obtain separate any of
the following compounds. Which of these compounds is the end product of this reaction?
A. nitrobenzene
B. *aniline
C. phenylhydroxylamine
D. azobenzene
E. hydrazobenzene
304.
Determination of the melting temperature conduct by the different methods according to
the physical properties of the investigated solution. For the determination of the melting
temperature of solid compounds, which easy transfers to the powder, used the following
method:
A. *Capillary
B. Distillation
C. Open capillary
D. Potentiometric
E. Conductometric
305.
Determination of the melting temperature conduct by the different methods according to
the physical properties of the investigated solution. For the determination of the melting
temperature of amorphous compounds used the following method:
A. Capillary
B. Distillation
C. *Open capillary
D. Potentiometric
E. Conductometric
306.
Compound with content of C8H9NO2 does not interact with aqueous solution of alkali,
but at the bromination in the presence of iron forms only one bromoderivative. What formula
of this compound?
A. 1-Nitro-2-phenylethane
B. 1,4-Dimethyl-3- nitrobenzene
C. 1-Nitro-1-phenylethane
D. *1-Ethyl-4-nitrobenzene
E. 1-Ethyl-3-nitrobenzene
307.
Diazocompounds in neutral medium are in the form of:
A. Azocompounds
B. Diazotates
C. *Diazohydroxides
D. Azomethynes
E. Diazonium salts
308.
General formula of the diazocompounds is ArN2X. What structure has diazocompound
if X is a residue of a strong mineral acid?
A. Polar covalent
B. Nonpolar covalent
C. *Donor-acceptor
D. Ionic
E. Asymmetric
309.
General formula of the diazocompounds is ArN2X. What structure has diazocompound
if X is a residue of a weak mineral acid?
A. Alicyclic
B. *Covalent
C. Donor-acceptor
D. Ionic
E. Asymmetric
310.
Diazocompounds in alkali medium are in the form of:
A. Azocompounds
B. *Diazotates
C. Diazohydroxides
D. Azomethynes
E. Diazonium salts
311.
Colored compound with azo-dye properties must have some chemical structure with
characteristic atomic groups (chromophores and auxochromes). Which of the following
compounds has azo-dye properties?
A. *p-Dimethylaminobenzol (p-(СН3)2N-C6H4-N=N-C6H5)
B. Phenylalanine (С6Н5СН2СН(NН2)СООН)
C. Nitromethane (СН3NO2)
D. Hydrazobenzol (С6Н5-NН-NН-С6Н5)
E. Ethylamine (СН3СН2NН2)
312.
Which of the following compounds а) Ar-N=(N)+Cl–, b) Ar-N=N-OH, c)Ar-N=N-O-Na+,
d) Ar-NH2, e) Ar-NO2 gives reaction of azojoining as azocomponent:
A. а
B. b
C. c
D. *d
E. e
313.
Nitrobenzol reduction (Zinin’s reaction) can be used to obtaine the row of
azothcontained compounds. Which of the following compounds form by Zinin’s reaction?
A. Azobenzol and benzoldiazonium chloride
B. Aniline and nitoraniline
C. Hydrazobenzol and benzoldiazonium chloride
D. Nitorzobenzol and benzoldiazonium chloride
E. *Azobenzol and aniline
314.
Which of the following compounds form at the reduction of nitrobenzene by Zinin’s
reaction?
A. *Nitrobenzol, phenylhydroxylamine, azoxibenzol, azobenzol, hydrazobenzol, aniline
B. nitorbenzol, phenylhydroxylamine, aniline
C. Aniline and nitroaniline
D. Azoxibenzol and benzoldiazonium chloride
E. Nitrobenzol, benzoldiazonium chloride
315.
Which of the following reactions can be used to obtain azo-dye?
A. Reduction and diazotation
B. *Diazotation and azoconnection
C. Diazotation and interaction with potassium cyanide
D. Formation of salts and nitration
E. Alkylation and nitrosation
316.
At the action of alkali excess on phenolphthalein forms:
A. monosodium salt (yellow color)
B. disodium salt (pink color)
C. *trisodium salt (colorless)
D. molecular compound (colorless)
E. tetrasodium salt (colorless)
317.
Diazocompounds in acidic medium are in the form of:
A. azomethynes
B. Diazohydroxydes
C. Diazohydrates
D. *Diazonium salts
E. azocompounds
318.
Which of the following compounds а) Ar-N)N+Cl–, b) Ar-N=N-OH, c)Ar-N=N-O–Na+,
d) Ar-NH2, e) Ar-NO2 gives azojoining reaction as diazocomponent:
A. *а
B. b
C. c
D. в
E. e
319.
Dye brilliant green as 1% solution use as antiseptic mean. Which of the following
condensations cases brilliant green formation?
A. Condensation of formaldehyde with phenol
B. Condensation of phthalic anhydride with phenol
C. Condensation of benzaldehyde with N,N-dimethylaaniline
D. Condensation of benzaldehyde with resorcinol
E. *Condensation of benzaldehyde with N,N-diethylaniline
320.
Diazocompounds have ionic structure if:
A. Electronodonor substitutes are in the aromatic ring
B. Electronoacceptor substitutes are in the aromatic ring
C. Х – residue of the weak acid
D. *Х – residue of the strong acid
E. There are no substitutes in the aromatic ring
321.
Diazocompounds have covalent structure if:
A. Electronodonor substitutes are in the aromatic ring
B. Electronoacceptor substitutes are in the aromatic ring
C. *Х – residue of the weak acid
D. Х – residue of the strong acid
E. There are no substitutes in the aromatic ring
322.
For obtaining of azocompounds use the following method:
A. diazotation reaction
B. *azoconnection reaction
C. decomposition of the diazonium salts
D. Zandmajer’s reaction
E. Reduction of nitroarenes in alkali medium
323.
Zandmajer ‘s reaction is:
A. *Accession reaction in alkali medium
B. Accession reaction in acidic medium
C. Substitution reaction, catalyst – Luis acids
D. Substitution reaction, catalyst – salts of Cu (I)
E. Substitution reaction, catalyst – salts of silver
324.
What reagent can be used to obtain benzene from diazonium chloride?
A. methanol
B. bromine water
C. potassium permanganate
D. concentrated nitric acid
E. *ethyl alcohol
325.
What reagent can be used to obtain benzene from diazonium chloride?
A. H2PO4
B. H3PO3
C. *H3PO2
D. Concentrated nitrate acid
E. Concentrated sulfate acid
326.
What reagent can be used to obtain benzene from diazonium chloride?
A. methanol
B. bromine water
C. potassium permanganate
D. *formaldehyde
E. conc. nitric acid
327.
What type of isomery is characteristic for azocompounds?
A. Nitro-acy-nitro
B. Syn-anti
C. *Keto-enol
D. Lactam-lactim
E. Optical isomery
328.
Methylorange obtain from:
A. phenol
B. *sulfanilic acid
C. diazonium chloride
D. anthranilic acid
E. 4-methylazobenzol
329.
What reaction is used for methylorange obtaining?
A. *Azojoining of sulfanilic acid with N,N-dimethylaniline
B. Azojoining of sulfanilic acid with N,N-diethylaniline
C. Azojoining of anthranilic acid with N,N-dimethylaniline
D. Azojoining of anthranilic acid with N,N-diethylaniline
E. Azojoining of aniline with diazonium chloride
330.
What color has methylorange in acidic medium?
A. purple
B. yellow
C. colorless
D. pink
E. *red
331.
What color has methylorange in alkali medium?
A. purple
B. *yellow
C. colorless
D. pink
E. red
332.
What color has methylorange in neutral medium?
A. purple
B. pink
C. colorless
D. *yellow
E. red
333.
What effect have auxochromes in the molecule of azo-dye?
A. Decrease coloration
B. Decrease solubility
C. *Increase coloration
D. Increase solubility
E. Do not have effects
334.
What reagent can be used to obtain azoxibenzol from azobenzol?
A. *Peroxiacids
B. Conc. sulfate acid
C. Conc. nitrate acid
D. Tin chloride
E. Zn + NaOH
335.
What reaction can be used to obtain azobenzol from nitrobenzene?
A. Reduction in acidic medium
B. Diazotation
C. Substitution of nitro group
D. Oxidation
E. *Reduction in alkali medium
336.
From the following groups choose auxochrome:
A. –NO2
B. –COOH
C. –C(O)H
D. *–OH
E. –SO3H
337.
From the following groups choose auxochrome:
A. –NO2
B. *–NH2
C. –C(O)H
D. –COOH
E. –SO3H
338.
Diazonium salts can be obtained by:
A. *diazotation reaction
B. azojoining
C. alkylation
D. electrophillic substitution
E. acylation
339.
Which amine at the interaction with nitrite acid forms diazonium salt:
A. *ethaneamine
B. N-methylaniline
C. N,N–dimethylethaneamine
D. N-methyl-N-ethylaniline
E. N,N–dimethylaniline
340.
Which amine at the interaction with nitrite acid forms diazonium salt:
A. N,N–dimethylethaneamine
B. N-methylaniline
C. *aniline
D. N-methyl-N-ethylaniline
E. N,N–dimethylaniline
341.
Which amine at the interaction with nitrite acid forms diazonium salt:
A. N,N–dimethylethaneamine
B. N-methylaniline
C. N-methyl-N-ethylaniline
D. *p-toluidine
E. N,N–dimethylaniline
342.
Which amine at the interaction with nitrite acid forms diazonium salt:
A. N,N–dimethylethaneamine
B. N-methylaniline
C. N-methyl-N-ethylaniline
D. N,N–dimethylaniline
E. *benzylamine
343.
Which amine will react with nitrite acid with formation of diazonium salt?
A. 4-Br-aniline
B. Methylamine
C. Dimethylamine
D. N-methylaniline
E. Dimethylaniline
344.
Which of the following products forms at the interaction of aniline with nitrite acid at
the presence of chloride acid?
A. 4-Amino-azobenzol
B. Phenol
C. Chlorobenzol
D. *Benzoldiazonium chloride
E. Dimethylaniline
345.
Qualitative reaction on aromatic amino-group is its diazotation with followinf
azoconnection. Which of the following compounds can be used as azocomponent in the reaction
of azoconnection with benzoldiazonium chloride?
A. Benzene
B. Naphthalene
C. Phenethol
D. *β-Naphthol
E. Xylene
346.
What compound has the most basic properties?
A. *CH3–NH2
B. CH3–OH
C. CH3–SH
D. CH3–O–CH3
E. CH3–S–CH3
347.
What compound has the least basic properties?
A. *С2H5-NH2
B. C6H5-NH2
C. (C6H5)NH
D. (C6H5)3N
E. NO2-C6H4-NH2
348.
Which amine is the weakest base?
A. *Triphenylamine
B. Diphenylamine
C. Aniline
D. Methylphenylamine
E. Dimethylamine
349.
Which of the following amines has not basic properties?
A. *(C6H5)3N
B. C6H5NH2
C. C2H5NH2
D. (CH3)2NH
E. (C2H5)3N
350.
Which amines in pars can be distinguished by the action of sodium nitrite in chloride
acidic medium with the following azojoining:
A. N,N–dimethylaniline and N-methyl-N-ethylaniline
B. aniline and benzylamine
C. N,N–dimethylethaneamine and triethylamine
D. N–methylaniline and N-methylethaneamine
E. *p-toluidine and N-methylaniline
351.
Which amines in pars can be distinguished by the action of sodium nitrite in chloride
acidic medium with the following azojoining:
A. N,N–dimethylaniline and N-methyl-N-ethylaniline
B. aniline and benzylamine
C. N,N–dimethylethaneamine and triethylamine
D. N–methylaniline and N-methylethaneamine
E. *aniline and N-methylaniline
352.
Which amines in pars can be distinguished by the action of sodium nitrite in chloride
acidic medium with the following azojoining:
A. N,N–dimethylaniline and N-methyl-N-ethylaniline
B. aniline and benzylamine
C. N,N–dimethylethaneamine and triethylamine
D. N–methylaniline and N-methylethaneamine
E. *ethylamine and N-methylaniline
353.
Which amines in pars can be distinguished by the action of sodium nitrite in chloride
acidic medium with the following azojoining:
A. N,N–dimethylaniline and N-methyl-N-ethylaniline
B. aniline and benzylamine
C. *benzylamine and N-methylaniline
D. N–methylaniline and N-methylethaneamine
E. N,N–dimethylethaneamine and triethylamine
354.
Which reaction can be used to distinguish trimethylamine and n-propylamine?
A. alkylation
B. acylation
C. interaction with HCl
D. *isonitrile test
E. interaction with dil. H2SO4
355.
Which reaction can be used to distinguish ethylamine and N-methylethylamine?
A. alkylation
B. *isonitrile reaction
C. interaction with HCl
D. acylation
E. interaction with dil. H2SO4
356.
Which reaction can be used to distinguish p-toluidine and N-methylaniline?
A. *izonitrile reaction
B. acylation
C. interaction with HCl
D. alkylation
E. interaction with dil. H2SO4
357.
Which reaction can be used to distinguish primary amines from secondary and tertiary?
A. C2H5Cl
B. (CH3CO)2O
C. *CHCl3 + NaOH
D. CH3COCl
E. H2SO4
358.
Sulfanilamides use as bactericide means. They are derivatives of:
A. p-chlorobenzoic acid
B. p-aminobenzoic acid
C. p-nitrobenzoic acid
D. *p-aminobenzolsulfoacid
E. Salicylic acid
359.
Ethyl ether of p-aminobenzoic acid is used as analgesic mean. What name of this
substance?
A. Novocain
B. *Anesthesin
C. Streptocide
D. Ethazol
E. Aspirin
360.
Which of the organic amines has the most basic properties?
A. aniline
B. diphenylamine
C. *methylamine
D. triphenylamine
E. diphenylmethylamine
361.
176. For the primary amines character the following type of reaction:
A. SE2
B. SN1
C. Е2
D. Е1
E. *SN2
362.
Anesthesin and Novocain use in medicine as local anesthetic mean. Esters of which of the
following acids they are?
A. α-aminobutyric acid
B. *Paraaminobenzoic acid
C. Salicylic
D. Gallic acid
E. m-sulfobenzoic
363.
Definitions “primary”, “secondary”, “tertiary” in amines associated with:
A. Dependence near which carbon atom (primary, secondary or tertiary) is amino-group
B. Number of amino-groups in the molecule
C. *Number of hydrocarbons residues near nitrogen atom
D. nature of hydrocarbon groups near nitrogen atom
E. number of σ-bounds which nitrogen atom
364.
Aniline, N-methylaniline and N,N-dimethylaniline can be distinguished by the usage of:
A. CHCl3, NaOH
B. NaNO3 (HCl)
C. FeCl3
D. *NaNO2 (HCl)
E. KMnO4
365.
From the following names choose the name of anesthesin:
A. Methyl ether of p-aminobenzoic acid
B. *Ethyl ether of p-aminobenzoic acid
C. Propyl ether of p-aminobenzoic acid
D. Ethylbenzoate
E. Methylbenzoate
366.
Amines have basic properties which can be confirmed by the reaction of interaction
with:
A. *HCl
B. Methyliodide
C. Acetic anhydride
D. *Chloroform in alkali
E. Acetaldehyde
367.
Which of the following amines is the primary?
A. СН3–N(С6Н5)–СН3
B. СН3 -NH –СН2 -СН3
C. СН3 – N(СН3)–СН3
D. *СН3-СН(NH2)-СН3
E. СН3 –СН2 –N(СН3)-СН2-СН2-СН3
368.
Anesthesin is a local anesthetic. Specify the reagent which can be used to identify
aromatic amino-group in anesthesin molecule:
A. AgNO3
B. *NaNO2 (HCl)
C. HNO3 (H2SO4)
D. NaHCO3
E. Cu(OH)2
369.
Specify the reagent which can be used to identify secondary amines:
A. HCOOH
B. CH3COOH
C. *HNO2
D. HNO3
E. HClO4
370.
Choose the reagent which can be used to distinguish primary, secondary and tertiary
aliphatic amines
A. H2SO4
B. NaNO3
C. K2Cr2O7
D. *NaNO2 (HCl)
E. HCl
371.
Specify the reaction of the aniline obtaining:
A. *Zinin’s reaction
B. Kucherov reaction
C. Lebedev reaction
D. Canitsarro reaction
E. Colbe-Shmidt reaction
372.
Which electronic effects are in the aniline molecule? in which position amino-group
orients the next substitute in the reaction of electrophillic (SE)?
A. *-I, + M, orients in о- and p–position
B. -І, - M, orients in m-position
C. - І, + M, orients in m-position
D. - І, - M, orients in m-position
E. -І, + M, orient in о- and p-position
373.
Which electronic effects are in the acetanilide molecule? To which row of substitutes
does acetated amino-group belong?
A. +І, - M, І row
B. -І, - M, ІІ row
C. -І, + M, ІІ row
D. *-І, + M, І row
E. +І, + M, ІІ row
374.
For the amines alkylation use:
A. acetic anhydride
B. alkanes
C. *halogenalkanes
D. acetic acid
E. halogenanhydrides of the carboxylic acids
375.
Which of the following amines has the most basic properties?
A. p-Nitroaniline
B. Diethylaniline
C. Ethylamine
D. Aniline
E. *Diethylamine
376.
Which of the following reactions is use for the primary amino-group identification?
A. Hoffman’s regrouping
B. Zinin’s reaction
C. *Isonitrile test
D. Acylation
E. Nitration
377.
Which of the following amines with nitrite acid formes N-nitrosamine?
A. *Diethylamine
B. Ethylamine
C. Triethylamine
D. Aniline
E. Ethylenediamine
378.
At the interaction of aniline with an excess of bromine water white precipitate formed.
What compound did form?
A. 4-bromoaniline
B. 2,4-dibromoaniline
C. 2, 6-dibromoaniline
D. 2-bromoaniline
E. *2,4,6-tribromoaniline
379.
Aromatic amines are weaker bases then aliphatic amines. Which amine is the weakest
base?
A. Diphenylamine
B. *Triphenylamine
C. Aniline
D. Methylphenylamine
E. Dimethylamine
380.
What reagent can be used to wash crockery from aniline?
A. Potash solution
B. Sodium hydroxide solution
C. Water
D. *Diluted solution of chloride acid
E. Potassium hydrocarbonate solution
381.
Amines are the biological active compounds. Which of the following amines has the most
basic properties?
A. *NO2-C6H4-NH2
B. C6H5NH2
C. ( C6H5)2NH
D. ( C6H5)3 N
E. С2H5-NH2
382.
At the nitration of aniline use previous protection of amino-group from oxidation by
acylation. Which of the following reagents is used for the protection of amino-group?
A. *(CH3CO)2O
B. CH3CНO
C. C2H5Cl
D. HNO2
E. CHCl3 + NаOH
383.
Which of the following reactions leads to the formation of secondary amine: R—NH2 >
R—NH—R?
A. acylation
B. *alkylation
C. amonolysis
D. interaction with nitrite acid
E. reduction
384.
Choose the alkylation reaction:
A. C2H5 – NH2 + HNO2 >
B. C2H5 – NH2 + Cl2 >
C. *С2H5 – NH2 + C2H5Br >
D. C2H5 – NH2 + (CH3CO)2O >
E. C2H5 – NH2 + H2SO4 >
385.
Choose the acylation reaction:
A. C2H5 – NH2 + HNO2 >
B. C2H5 – NH2 + Cl2 >
C. С2H5 – NH2 + C2H5Br >
D. *C2H5 – NH2 + (CH3CO)2O >
E. C2H5 – NH2 + H2SO4 >
386.
Which reaction can confirm the basic properties of amines?
A. C2H5NHCH3 + CH3Cl >
B. C6H5NH2 + (CH3CO)2O >
C. *n–C3H7NH2 + HCl >
D. n–C4H9NH2 + HNO2 >
E. C6H5NHCH3 + H2>
387.
Which amine at the interaction with nitrite acid does form N-nitrosoamine?
A. C2H5NH2
B. *(C2H5)2NH
C. C6H5CH2NH2
D. C6H5NH2
E. (C2H5)3N
388.
Which amine at the interaction with nitrite acid does form N-nitrosamine?
A. C2H5NH2
B. (C2H5)2NСH3
C. C6H5CH2NH2
D. *C6H5NHCH3
E. (C2H5)3N
389.
Which amine does not interact with nitrite acid?
A. *С6Н5N(СН3)2
B. (C2H5)2NН
C. C6H5CH2NH2
D. С6Н5NHCH3
E. C2H5NH2
390.
Which amine does not interact with nitrite acid?
A. C6H5CH2NH2
B. (C2H5)2NН
C. *(C2H5)2N—CH2CH2CH3
D. С6Н5NHCH3
E. C2H5NH2
391.
Which amine does not interact with nitrite acid?
A. C6H5CH2NH2
B. (C2H5)2NН
C. C2H5NH2
D. С6Н5NHCH3
E. *(C2H5)2N—CH(CH3)2
392.
Which amine at the interaction with nitrite acid does form alcohol?
A. *C6H5NH2
B. (C2H5)2NН
C. C6H5N(CH3)2
D. CH3 – CH2 – NH – CH3
E. (C2H5)3N
393.
Which amine at the interaction with nitrite acid does form alcohol?
A. (C2H5)2NН
B. *C6H5CH2NH2
C. C6H5N(CH3)2
D. CH3 – CH2 – NH – CH3
E. (C2H5)3N
394.
Which of the following reactions is the qualitative on the primary amino-group (does not
depend of the nature of hydrocarbon radical)?
A. R—NH2 + CH3Cl >
B. R—NH2 + CH3COCl >
C. *R—NH2 + CHCl3 + KOH >
D. R—NH2 + HCl >
E. R—NH2 + Cl2 >
395.
Which of the following amines has the most basic properties?
A. *Diethylamine
B. Diethylaniline
C. Ethylamine
D. Aniline
E. p-Nitroaniline
396.
Determine the primary product for the p-aminophenol obtaining (in one stage):
A. Benzol
B. *p-Nitrophenol
C. Aniline
D. Phenol
E. p-Nitrotoluene
397.
At the heating of aniline with conc. sulfate acid in the medium of high boiling solvent
compound, which is a structural fragment of the antibacterial dugs group, formed. Name this
compound:
A. Sodium p –aminobenzolsulfonete
B. Barbituric acid
C. Sulfanilamide
D. *Sulfanilic acid
E. Acetanilide
398.
For compounds: а) ammonium; b) p-nitroaniline; c) methylamine; d) methylethylamine;
e) triethylamine basic properties depend of the electronic effects of the substitutes near nitrogen
atom. Choose the row of increasing of basic properties in non-aqueous solutions:
A. *b, а, c, d, e
B. b, c, а, d, e
C. а, b, c, d, e
D. а, b, e, d, c
E. b, а, d, c, e
399.
What reagent can be used to distinguish ethanol, isopropanol and 2-methylpropanol-2?
A. *Lucas sample
B. Belshtein sample
C. Indophenol sample
D. Tollen’s reagent
E. Iodoform sample
400.
Which of the following halogenderivatives will interact with water solution of alkali with
formation of alcohol?
A. CH2=CH-Cl
B. *CH3CH2Cl
C. CH3-CHCl2
D. CH3-CCl3
E. C6H5Cl
401.
What reagent can be used to distinguish glycerin from ethyleneglycol?
A. NaNО2
B. NaOH
C. Na met.
D. Cu(OH)2
E. *KHSO4
402.
Name the product of interaction of ethyl alcohol and formic acid:
A. methylformiate
B. formaldehyde
C. ethyl ester of acetic acid
D. *ethylformiate
E. acetoacetic ester
403.
Name the product of interaction of ethyl alcohol and acetic acid:
A. acetanhydride
B. diethyl ether
C. *ethylacetate
D. ethylformiate
E. ethylformiate
404.
Chose the secondary alcohol:
A. *СН3- СН(ОН)-СН3
B. СН3 -СН2 -СН2 -ОН
C. НО-СН2 -СН2-ОН
D. (СН3)2-С(ОН)-СН3
E. СН2=СН-СН2-ОН
405.
Which of the following acids belongs to OH-acids:
A. ethaneamine
B. ethane
C. acetone
D. *ethanol
E. benzene
406.
Choose the reagent, which can be used to obtain propanol-2 from acetone:
A. HCOH
B. CH3OH
C. CH3I
D. HCN
E. *Н2
407.
For the qualitative reaction of ?-glycols use the following reagent:
A. ammonium solution of AgNO3
B. Bromine water
C. *Cooper hydroxyde (ІІ)
D. iodoform sample
E. nitric acid
408.
Acidity of alcohols changes according to its atomicity. Choose alcohol, which has the
biggest acidic properties
A. Isobutanol
B. *Glycerin
C. Ethanol
D. Ethanediol
E. Propanol
409.
At the interaction of alcohols with hydrohalogen acids, halogenanhydrides of inorganic
acids hydroxi-group substitutes on halogen. Specify the reaction, which cases formation of
halogenethane from ethanol:
A. *CH3CH2OH + NaCl O
B. CH3CH2OH + SOCl2
C. CH3CH2OH + PBr3
D. CH3CH2OH + HI +
E. CH3CH2OH + PCl5
410.
Which of the following compounds will interact with Сu(OH)2?
A. Pentanol-2
B. Ethanol
C. Propanol-1
D. Isobutyl alcohol
E. *Ethanediol-1,2
411.
Which of the following compounds will interact with NaOH?
A. Butanol-1
B. Methanol
C. Isopropyl alcohol
D. *Ethanethiol
E. Isobutyl alcohol
412.
What reagent can be used to distinguish glycerin from ethanol?
A. *Cu(OH)2
B. HBr
C. FeCl3
D. KMnO4
E. Ag2O
413.
What compound will form after the reduction of methylethylketone?
A. Butanol-1
B. *Sec-butile alcohol
C. Isobutyl alcohol
D. Tretbutyl alcohol
E. Propanol-2
414.
Choose correct name of glycerin by the international nomenclature:
A. *Propanetriol-1,2,3
B. Propanol-1
C. Propanol-2
D. Propanetriol-1
E. Propanediol-1,2,3
415.
What reagent can be used to distinguish glycerin from ethanol?
A. conc. HNO3 and conc. H2SO4
B. Sodium chloride
C. *Cooper hydroxide (II)
D. powder of cooper at the 280-3000С
E. Phosphorus pentachloride
416.
According to the structure alcohols in a different way give oxidation reaction. A
secondary alcohol after oxidation by chromic mixture in acidic medium forms:
A. *ketones
B. Baldehydes
C. epoxides
D. ethers
E. esters
417.
At the heating of ethyleneglycol in the presence of H2SO4 intermolecular dehydration
takes place and dioxane forms. To which class of compounds does dioxane?
A. Cyclic ester
B. Diatomic alcohol
C. Ester
D. *Cyclic ether
E. Lactone
418.
Choose correct name of the alcohol, which forms at the reduction of 3-methypentanal?
A. 3-Methyl-5-pentanol
B. *3-Methyl-1-pentanol
C. 3-Methyl-2-pentanol
D. Isopropylcarbinol
E. Glycerin
419.
As a result of pentanol-2 intramolecular dehydration forms:
A. Pentyne-1
B. Pentene-1
C. *Pentene-2
D. Methylpropylic ether
E. Pentanediol-1,2
420.
What compound does form at the heating of bromoethane with water solution of
potassium hydroxide?
A. Diethyl ether
B. Ethane
C. Potassium ethylate
D. Ethanoic acid
E. *Ethanol
421.
What property is not characteric for alcohols?
A. *Dissociation on ions
B. Interaction with active metals
C. Lower alcohols (С1 – С3) mix with water in any ratios
D. Oxidize to aldehydes
E. React with alkalis
422.
Choose reaction, which correct shows the interaction of sodium propylate and water:
A. 2СН3ONa + 3H2O O 2CH3OH + Na2O + 2H2 + O2
B. СН3ONa + H2O O CH3OH + NaOH
C. *С3Н7ONa + H2O O C3H7OH + NaOH
D. 2С3Н7ONa + H2O O 2C3H7OH + NaOH +H2O
E. СН3Вr + NaOH В CH3OH + NaBr
423.
Choose the formula of methanol homologue:
A. C3H5OH
B. C6H5OH
C. *C7H15OH
D. C2H4(OH)2
E. C3H3OH
424.
Choose the formula of tertiary alcohol:
A. 2-butanol
B. 1-butanol
C. 3-methylbutanol-2
D. *2-methylbutanol-2
E. 3-pentanol
425.
Choose the formula of the secondary alcohol:
A. *2-butanol
B. 1-butanol
C. 3-methylpentanol-3
D. 2-methylbutanol-2
E. 3-pentanol
426.
Choose the formula of the primary alcohol:
A. 3-methylbutanol-2
B. 2-methylbutanol-2
C. 2-butanol
D. *1-butanol
E. 3-pentanol
427.
If to ethane add bromine and then water solution of potassium hydroxide, we will get:
A. Ethanol
B. Glycerin
C. 2-propanol
D. *Ethanediol
E. 3-pentanol
428.
Which reaction has two stages?
A. *C2H5OН + О2 СН3СООН + Н2О
B. 2СН3ОН + О2 2НСНО + 2Н2О
C. 2СН3СНО + О2 СН3СООН
D. СН3СНО + Н2 2 СН3СН2ОН
E. СН3СН2СН2СОН+ Н2 2СН3СН2СН2СН2ОН
429.
What compound has the following chemical formula С2Н5ОН?
A. Butanol
B. *Ethanol
C. Propanol
D. Methanol
E. 3-pentanol
430.
Which number of hydroxyl groups has glycerin?
A. 1
B. 2
C. *3
D. 4
E. 5
431.
General formula of saturated alcohols is the following one:
A. *CnH2n+1OH
B. CnH2nOH
C. CnH2n+2
D. CnH2n–2OH
E. C2nH2n+2
432.
Interaction of alcohols with halogenalkanes belongs to the following type of reaction:
A. Polymerization
B. Accession
C. Elimination
D. Decomposition
E. *Substitution
433.
Glycerin belongs to:
A. Aldehydes
B. *Polyatomic alcohols
C. Carbohydrates
D. Fats
E. Esters
434.
Choose the chemical formula of propanol:
A. CH3OH
B. *C3H7OH
C. C2H5OH
D. C4H9OH
E. C5H9OH
435.
Ethanol is more easily soluble in:
A. *Water
B. Oils
C. Benzene
D. Fats
E. Alkalis
436.
Qualitative reaction on glycerin is an interaction with:
A. Calcium hydroxide
B. Cooper (ІІ) oxide
C. *Cooper (ІІ) hydroxide
D. Cooper (І) oxide
E. Alkali
437.
General formula of monoatomic alcohols is the following one:
A. R – C(O) – R
B. R – COOH
C. R – C(O)H
D. *R – CH2OH
E. RCOOR
438.
Viscid liquid with sweet test, at the interaction with Cu(OH)2 forms intense blue color,
at the nitration forms trinitroderivative, which can be used as medicine and like exploding
substance. Nmae this compound:
A. benzene
B. ethyleglycol
C. toluene
D. *glycerin
E. pentanol-3
439.
It is known that potassium permanganate is a qualitative reagent on double bound.
What compound does form after the interaction with KMnO4 in neutral or weak alkali
medium on propene?
A. *Propanediol-1,2
B. Propanediol-1,3
C. Propanetriol-1,2,3
D. Propanoic acid
E. Propanol-2
440.
Specify the product of reaction of diethyl ether and НІ:
A. *Ethenol and ethyliodide
B. Ethyliodide and methyliodide
C. Ethanol and methyliodide
D. Methanol and ethyliodide
E. Benzyl alcohol and benzyliodide
441.
Nitroglycerin belongs to the following class of compounds:
A. Polyatomic alcohols
B. nitroalcohols
C. ethers
D. Nitroalkanes
E. *ester
442.
Choose the mechanism of etherification reaction:
A. SN1
B. E1
C. E2
D. *SN2
E. S
443.
Which reagents can be used to transform chloroethane in diethyl ether?
A. NaOH(H2O)
B. *C2H5O-Na+
C. KCN
D. NaNO2
E. NaOH(C2H5OH)
444.
Ethers are inert compounds. Diluted mineral acids and alkalis do not interact with them
on the cold. But ethers can decompose (acidolysis) on the cold by the action of:
A. conc. HNO3
B. conc. HCl
C. *conc. HI
D. conc. NаOH
E. Na met.
445.
Glycerin trinitrate by the chemical nature is:
A. *Ester
B. Acid
C. Ether
D. Polyatomic alcohol
E. Alcohol
446.
Etherification reaction is the interaction between:
A. Alcohol and acid
B. Acid and aldehyde
C. Alcohol and aldehyde
D. *Alcohol and alcohol
E. Ketone and aldehyde
447.
Choose the reaction of ester formation:
A. Interaction of alcohols between each other
B. Interaction of alcohols with metallic sodium
C. *Interaction of alcohols with carboxylic acids
D. Interaction of alcohols with halogenalkanes
E. Interaction of alcohols with alkali
448.
Choose the reaction of ether formation:
A. Interaction of alcohols with alkali
B. Interaction of alcohols with metallic sodium
C. Interaction of alcohols with carboxylic acids
D. Interaction of alcohols with halogenalkanes
E. *Interaction of alcohols between each other
449.
Choose the reaction of ester obtaining
A. CH3–C(O)H + HO–CH3
B. CH3–CH2–CH2–OH + HBr –
C. CH3–CH2–OH + HO–CH3
D. *CH3–CH2–OH + CH3–COOH –
E. СН2=СН–СН3 + Н2О О
450.
What reaction is in the base of diethyl ether obtaining?
A. Ethanol oxidation
B. *Etherification
C. Ethanol dehydration
D. Esterification
E. Polymerization
451.
What compound will react with sodium hydroxide?
A. Propane
B. Benzene
C. *Phenol
D. Ethylene
E. Butane
452.
Reaction, which confirms acidic properties of phenol, takes place with the following
reagent:
A. HNO3
B. *NaOH
C. Br2
D. CO2
E. Н2
453.
Phenol does not react with:
A. Bromine water
B. Sodium hydroxide
C. Nitrate acid
D. *Chloride acid
E. Sulfate acid
454.
With sodium hydroxide will react:
A. 1,3-dimethylbenzene
B. Phenylcarbinol
C. *2,4,6-tribromophenol
D. Ethanol
E. Propanol
455.
Phenol from glycerin in solution can be distinguished by the adding of the following
reagent:
A. *FeCl3 solution
B. Nitrate acid
C. Sodium
D. Calcium
E. Sulfate acid
456.
Choose the gaseous product of phenol interaction with sodium:
A. N2
B. CO2
C. O2
D. C2H4
E. *H2
457.
Sodium phenolate forms at the interaction of phenol with:
A. Sodium chloride
B. *Sodium hydroxide
C. Sodium nitrite
D. Sodium sulfate
E. Sodium bromide
458.
What compound can interact with glycerin and phenol?
A. Iron (ІІІ) chloride
B. Bromine
C. Hydrogen bromide
D. *Nitrate acid
E. Sodium chloride
459.
What is the common in the structure of mono-, polyatomic alcohols and phenols?
A. Presence of the saturated hydrocarbon radicals
B. Presence of the aromatic radical
C. *Presence of the functional groups
D. Presence of the hydrocarbon radicals with heterocyclic structure
E. Presence of the aromatic ring
460.
Reagent for the phenol identification is:
A. *Bromine water
B. Potassium permanganate solution
C. Freshly precipitated cooper (ІІ) hydroxide
D. Ammonium solution of silver (І) oxide
E. Chloride acid
461.
Choose the source of phenol obtaining:
A. Petroleum
B. Nature gas
C. Methane
D. Iron ore
E. *Coal resins
462.
What property of phenol does case its usage in medicine?
A. Easily soluble in water
B. Crystal compound at the normal conditions
C. *Kill bacteria, is a strong antiseptic
D. Has unpleasant smell
E. Bad solvent
463.
What compound from the phenol derivatives is used for the synthesis of explodind
substances, medicines and as yellow dye?
A. 2,4,6-tribromophenol
B. *2,4,6-trinitrophenol
C. Sodium phenolate
D. Hydroquinone
E. 2,6-dibromophenol
464.
What compound is used in the synthesis of exploding substances?
A. *Picric acid
B. Benzoic acid
C. Ethanoic acid
D. Formic acid
E. Butyric acid
465.
For the distinguishing od phenol and benzene can be used the following compound:
A. HNO3
B. H2SO4
C. *FeCl3
D. CH3Cl
E. HCl
466.
Molecular formula of phenol:
A. С2Н5-ОН
B. С6Н13-ОН
C. С5Н11-ОН
D. *С6Н5-ОН
E. С2Н3ОН
467.
In the phenol molecule hydroxyl radical is connected with:
A. *Benzene ring
B. Carbon atom in hydrocarbon chain
C. Benzene ring through – СН2 – group
D. Hydrogen atom
E. Oxygen atom
468.
Phenol molecule has:
A. Two double bounds
B. *Three double bounds
C. All bounds are equal
D. Four double bounds
E. One double bound
469.
Molecular mass of phenol (С6Н5ОН) is:
A. *94 g/mol
B. 82 g/mol
C. 60 g/mol
D. 108 g/mol
E. 294 g/mol
470.
At the normal conditions phenol exists in a form of:
A. Gas
B. *Crystal compound
C. Liquid
D. Amorphous compound
E. Gel
471.
Phenol can be distinguished from ethanol by the reaction with:
A. Lithium
B. Sodium
C. Sodium carbonate
D. Halogen anhydrides of carboxylic acids
E. *Sodium hydroxide
472.
At the interaction of phenol with potassium the following compound forms:
A. Oxygen
B. Water
C. *Hydrogen
D. Carbonic gas
E. CO
473.
Phenol has the similar properties with:
A. Aldehydes
B. Alcohols
C. Benzene
D. *Alcohols and benzene
E. Ketones
474.
Phenol has properties of:
A. Weak base
B. Strong acid
C. Strong base
D. *Weak acid
E. Salt
475.
Phenol does not give the following reaction:
A. Substitution
B. Accession
C. *Polymerization
D. Oxidation
E. Decomposition
476.
Which of the following compound is quinine?
A. 1,2-dihydroxibenzene
B. *1,4-dihydroxibenzene
C. phenol
D. 1,2,3-trihydroxibenzene
E. 1,3-dihydroxybenzene
477.
What nitrocompound is formed after the W-naphthol nitration?
A. *1-Nitronaphthol-2
B. 3-Nitronaphthol-2
C. 4-Nitronaphthol-2
D. 5-Nitronaphthol-2
E. 8-Nitronaphthol-2
478.
Which substitute must be present in the benzene ring to make substitutions in o- and p-
positions?
A. - С(О) Н
B. -СООН
C. -NO2
D. *- ОН
E. -SO3H
479.
Choose effects of OH-group:
A. -І; -М
B. +І; -М
C. *-І; +М
D. +І; +М
E. +М; without inductive effect
480.
Salicylic acid belongs to phenoloacids. Choose the qualitative reagent on this acid:
A. CH3OH (H+)
B. NaOH
C. H2SO4 (c.)
D. CH3COOH (ice)
E. *FeCl3
481.
After the pyrochatechol oxidation the following compound formed:
A. Gallic caid
B. *о-Benzoquinone
C. p-Benzoquinone
D. Phloroglucinol
E. Benzaldehyde
482.
What reacgent can be used to distinguish mono- and polyatomic phenols?
A. Cu(OH)2
B. (CH3COO)2 Pb
C. *FeCl3
D. ZnCl2; HCl conc.
E. HIO4
483.
Choose the reagent for phenol identification:
A. NaHCO3
B. *FeCl3
C. Cu(OH)2
D. Na2CO3
E. HCl
484.
Compound with lower melting temperature, which gives color reaction with FeCl3,
discolors bromine water, takes part in the polycondensation with formaldehyde, can be
obtained by isopropylbenzene oxidation (……), is the following one:
A. Benzene
B. *Phenol
C. Aniline
D. Ethanol
E. Ethylene
485.
Compound, which reacts with alkalis, easily gives substitutions reactions, forms
precipitate with bromine water, can be obtained by the hydrolysis of the products of benzene
chlorination, is the following one:
A. C6H5Cl
B. C6H5CH3
C. *C6H5OH
D. C3H5(OH)3
E. C6H5NO2
486.
Solid compound with lower melting temperature, which reacts with alkalis, interacts
with bromine water with formation of white precipitate and can be obtained in industry by the
2-phenylpropane oxidation (….), is the following one4:
A. *Phenol
B. Benzoic acid
C. Glucose
D. Potassium acetate
E. Salicylic acid
487.
Which reagent can be used to distinguish monoatomic phenols from diatomic
phenols?
A. HIO4
B. ZnCl2; HCl conc.
C. Cu(OH)2
D. (CH3COO)2 Pb
E. *FeCl3
488.
Which reaction can be used to distinguish primary, secondary and tertiary
alcohols?
A.
B.
C. *
D.
E.
489.
Which is the identity of the intermediates (A and B) and the end-product (C) in the
following scheme?
A.
B.
C. *
D.
E.
490.
Which is the mechanism of the m- cresol sulfonation reaction?
A.
B.
C.
D.
E. *
491.
A.
B.
C.
D.
Which is the mechanism of the following reaction?
E. *
492.
Which is the product of the following reaction?
A.
B. *
C.
D.
E.
493.
Which is the mechanism of the following reaction?
A. *
B.
C.
D.
E.
494.
Which mechanism does the reaction of phenol acylation follows?
A. *
B.
C.
D.
E.
495.
Which reagent should be applied in the propanediol-1,3 synthesis according to the
scheme below?
A. KMnO4
B. NaO
C. *NaOH aq. sol.
D. H2O
E. H2SO4 conc.
496.
Which reagent should be applied in the ethanol synthesis according to the
scheme below?
A.
B.
C.
D.
CH3COONa
CH3COONa
*NaOH alc. sol.
NaOH aq. sol.
E.
497.
Choose the product of propene hydration.
A.
B.
C. *
D.
E.
498.
From the following compounds choose the structure of benzyl alcohol.
A.
B. *
C.
D.
E.
499.
A. *
From the following compounds choose the structure of resorcinol.
B.
C.
D.
E.
500.
A.
B. *
C.
D.
E.
From the following compounds choose the structure of phloroglucinol.
501.
From the following compounds choose the structure of pyrocatechol.
A.
B.
C. *
D.
E.
502.
What is the name of the effect of total volume decrease of alcohol and water while they
mixing?
A. interaction
B. *contraction
C. solving
D. solving
E. solvation
503.
Choose the correct name of the following compound.
A. 4-methylhexene-4-ol-3
B. 4-methyl-4-ethylbutene-3-ol-2
C. 1-methyl-1-ethylbutene-1-ol-3
D. *4-methylhexene-3-ol-2
E. 3-methylhexene-3-ol-4
504.
Choose the correct name of the following compound.
A. 1-methylpropen-2-ol-2
B. butene-1-ol-3
C. 3- methylpropenol
D. butene-1-ol-2
E. *butene-3-ol-2
505.
Choose the correct name of the following compound.
A. pentyne-3-ol-5
B. *pentyne-3-ol-1
C. 5-hydroxypentyne-2
D. pentyn-2-ol-5
E. 2-propynylethanol
506.
Choose the correct name of the following compound.
A. benzylmethanol
B. benzylmethanol
C. 1-phenyl-2-hydroxyethene
D. 2- hydroxyethylbenzene
E. *2- phenylethanol
507.
Choose the correct name of the following compound.
A. 3- methylbutene-1-ol-4
B. 3- methylbutenone
C. 2- methylbutene-3-ol-1
D. *2- methylbutene-3-ol-1
E. 3-methylbutene-2-ol-4
508.
Which of the following nitro compound with nitrous acid form nitrolic acid?
A.
B.
C. *
D.
E.
509.
Which of the following nitro compound is not react with alkalis?
A.
B. *
C.
D.
E.
510.
A.
Which from brought nitro compound is dissolved in alkalis?
B.
C.
D.
E. *
511.
A.
B. *
C.
D.
E.
Which of the following nitro compound is dissolved in alkalis?
512.
Which of the following nitro compound not react with nitrous acid?
A.
B.
C.
D.
E. *
513.
Which of the following nitro compounds shall react with nitrous acid with nitrolic acid
formation?
A. *
B.
C.
D.
E.
514.
Which of the following nitro compound shall not be dissolved in alkalis?
A.
B. *
C.
D.
E.
515.
Primary nitro compound is:
A.
B.
C. *
D.
E.
516.
Tertiary nitro compound is:
A.
B.
C.
D. *
E.
517.
Secondary nitro compound is:
A.
B.
C. *
D.
E.
518.
A.
Primary nitro compound is:
B. *
C.
D.
E.
519.
Primary nitro compound is:
A. *
B.
C.
D.
E.
520.
A.
Secondary nitro compound is:
B. *
C.
D.
E.
521.
Tertiary nitro compound is:
A.
B.
C.
D. *
E.
522.
A.
B.
Primary nitro compound is:
C.
D.
E. *
523.
Secondary nitro compound is:
A.
B. *
C.
D.
E.
524.
A.
B.
Primary nitro compound is:
C.
D.
E. *
525.
The mechanism of the shown below reaction is:
A.
B.
C. *
D. E1 (monomolecular elimination)
E. E2 (bimolecular elimination)
526.
The mechanism of the shown below reaction is:
A.
B. *
C.
D.
E.
527.
The mechanism of the shown below reaction is:
A.
B.
C. *
D. E1 (monomolecular elimination)
E. E2 (bimolecular elimination)
528.
The mechanism of the shown below reaction is:
A.
B.
C.
D. E1 (monomolecular elimination)
E. *E2 (bimolecular elimination)
529.
Missing reagent of the shown below reaction is:
A.
B. *
C.
D.
E.
530.
The mechanism of chlorobenzene sulfonation is:
A.
B. *
C.
D.
E.
531.
The mechanism of the shown below reaction is:
A. *
B.
C.
D.
E.
532.
The mechanism of the shown below reaction is:
A.
B. *
C.
D.
E.
533.
The mechanism of the shown below reaction is:
A.
B.
C.
D. *
E.
534.
The mechanism of chlorobenzene nitration is:
A.
B. *
C.
D. E1 (monomolecular elimination)
E. E2 (bimolecular elimination)
535.
The mechanism of the shown below reaction is:
A. *
B.
C.
D.
E.
536.
A product of the shown below reaction is:
A.
B.
C.
D.
E. *
537.
Missing reagent of the shown below reaction is:
A. HI
B. NaOCl
C. CH3COONa
D. *NaOH aq. solution
E. NaOH alc. solution
538.
A product of the shown below reaction is:
A.
B.
C. *
D.
E.
539.
A.
B.
C.
D.
Missing reagent of the shown below reaction is:
NaI
*HI
NaOH aq. solution
NaOH alc. solution
E.
540.
Missing reagent of the shown below reaction is:
A. HBr
B. NaOCl
C.
D. NaOH (aq. solution)
E. *NaOH (alc. solution)
541.
A product of the shown below reaction is:
A. *
B.
C.
D.
E.
542.
Missing reagent of the shown below reaction is:
A. *H2
B. NaOH (alc. solution)
C. HBr
D. NaOH (aq. solution)
E. C2H5OH
543.
Missing reagent and products of the shown below reaction are:
A. NaOH (alc. solution) and HCl + I2
B.
C. *
D.
E. NaOH (aq. solution) and H2O + NaCl
544.
A main product of the shown below reaction is:
A.
B.
C. *
D.
E.
545.
A.
B.
C.
D.
A main product of the shown below reaction is:
E. *
546.
Which reagent for butanonitril synthesis from 1-chloropropane is necessary?
A.
B.
C.
D.
E. *
547.
A main product of the shown below reaction is:
A.
B. *
C.
D.
E.
548.
A main product of the shown below reaction is:
A.
B.
C. *
D.
E.
549.
A main product of the shown below reaction is:
A.
B.
C. *
D.
E.
550.
A main product of the shown below reaction is:
A.
B.
C.
D. *
E.
551.
A main product of the shown below reaction is:
A.
B.
C.
D. *
E.
552.
A.
B. *
A main product of the shown below reaction is:
C.
D.
E.
553.
The symbol SN2 in mechanism designations means:
A. bimolecular elimination
B. monomolecular nucleophilic substitution
C. *bimolecular nucleophilic substitution
D. nucleophilic elimination
E. nucleophilic addition
554.
The most common mechanism of tertiary alkyl halide substitution is:
A.
B.
C. *
D.
E.
555.
For which one compound nucleophilic substitution is most common?
A.
B.
C. C. *
D.
E.
556.
The symbol E1 in mechanism designations means:
A. bimolecular elimination
B. nucleophilic addition
C. *monomolecular elimination
D. monomolecular electrophilic substitution
E. electrophilic addition
557.
The most common mechanism of secondary alkyl halide substitution is:
A.
B.
C. *
D.
E.
558.
The symbol SN1 in mechanism designations means:
A. nucleophilic substitution
B. *monomolecular nucleophilic substitution
C. bimolecular nucleophilic elimination
D. nucleophilic elimination
E. axxession
559.
The symbol E in mechanism designations means:
A. accession
B. *elemination
C. nucleophilic substitution
D. electrophilic substitution
E. nucleophilic elimination
560.
The most common mechanism of primary alkyl halide substitution is:
A.
B.
C.
D. *
E.
561.
Which type of reaction is most common for alkyl halides?
A. AR (radical addition)
B. nucleophilic addition (AN)
C. electrophilic addition (AE)
D. *nucleophilic substitution (SN)
E. electrophilic substitution (SE)
562.
Which of the listed below reagents and conditions for benzylidene chloride synthesis are
necessary?
A.
B. *
C.
D.
E.
563.
A.
A main product of ethyl benzene chlorination is:
B.
C. *
D.
E.
564.
Which of the listed below reagents and conditions for benzylchloride synthesis are
necessary?
A.
B.
C. *
D.
E.
565.
The mechanism of alkene halogenation, proceeding under the scheme, is:
A. AR (radical addition)
B. E (elimination)
C. *SR (radical substitution)
D. SE (electrophilic substitution)
E. AE (electrophilic addition)
566.
Which of the listed below reagents for chlorobenzene synthesis are necessary?
A.
B.
C. *
D.
E.
567.
Which of the listed below reagents and catalysts for p-chlorotoluene synthesis according
to the scheme are necessary?
A. Cl2, SnCl2
B. *
C.
D.
E.
568.
What compound is formed at the interaction of propanal with chlorine?
A.
B. *
C.
D.
E.
569.
Which is the product of interaction of benzaldehyde with chlorine?
A.
B.
C. *
D.
E.
570.
Which is the product of benzaldehyde nitration?
A.
B. *
C.
D.
E.
CH3
H 3C
CH
C
O
C
H
571.
Give the right name:
A. α-methyl-α,β-butanone
B. α-methyl-α,β-butanal
C. *α-methyl-α,β-butenal
D. 2-methylbutanone
E. 2-methylbutanal
572.
Choose the proper set of starting compound (A) - “reagent” - product (B)
according to the following scheme.
A.
B.
C. *
D.
E.
573.
Which is the product of butanal interaction with chlorine?
A.
B.
C.
D. *
E.
574.
A.
B.
C. *
Which is the product of propanal interaction with hydrocyanic acid?
D.
E.
575.
What is the identity of “halide” and “reactant” in the following scheme?
A. 1-brompropane and methylamine
B. 1,2-dichloroethane and hydrocyanic acid
C. *1,1-dichloroethane and hydrocyanic acid
D. 1,1,1-trichloroethane and methylamine
E. 1,2-dichloropropane and ammonia
576.
What is the name of products of hydrazine interaction with aldehydes?
A. semicarbazides
B. semicarbazones
C. hydrazides
D. *hydrazones
E. oximes
577.
What is the name of products of hydroxylamine interaction with aldehydes?
A. *aldoximes
B. aldimines
C. semicarbazones
D. aldols
E. hydrazones
578.
What is the product of aldehyde reaction with water?
A. *hydrate
B. alcohol
C. hydroxyacid
D. reaction doesn’t proceed
E. hydroxyaldehyde
579.
What is the identity of the “reactant” and the intermediate ¬¡ in the following
scheme?
A.
B.
C.
D.
E.
1,1-dichloroethane and alcoholic NaOH solution
*1,1-dichloroethane and aqueous NaOH solution
chloroethane and NaOH aqueous solution
1,2-dichloroethane and aqueous NaOH solution
1,2-dichloroethane and alcoholic NaOH solution
Which product will form when acetic aldehyde is heated in the presence of aluminum
ethylate (Tishchenko reaction):
580.
A.
B.
C. *
D.
E.
581.
Which reagent can be used to distinguish methanal from ethanal?
A.
B.
C.
D. *
E.
582.
What is the identity of the end-product A and the “reagent” in the following scheme?
A.
B. *
C.
D.
E.
583.
What is the identity of the intermediate product A and the “reactant” in the following
scheme?
A. benzyl chloride and NaOH alc. sol.
B. *benzyl chloride and NaOH water sol.
C. benzyl chloride and NaOH aq. sol.
D. m-chlorotoluene and HCl
E. β-chlorotoluene and Na2S
584.
Which is the identity of the intermediates (A and B) and the conditions of
hydration reaction in the following scheme?
A. *
B.
C.
D.
E.
585.
What compound is formed as the result benzaldehyde reaction with the mixture of
concentrated nitric acid / concentrated sulfuric acid?
A. m-nitrobenzoic acid
B. ρ - nitrobenzaldehyde
C. *m- nitrobenzaldehyde
D. β, β-nitrobenzaldehyde
E. benzoic acid
586.
Which is the product of condensation of two molecules of benzaldehyde in the presence
of cyanide-ions.
A.
B.
C.
D. *
E.
587.
Formalin is used in medical practice as a disinfectant, conservant for anatomical wet
preparations. What is formalin?
A. 40% water sol. of acetic aldehyde
B. *40% water sol. of formic aldehyde
C. 40% water sol. of benzaldehyde
D. 20% water sol. of acetic aldehyde
E. 10% water sol. of formic aldehyde
588.
Aldehydes are the derivatives of hydrocarbons that contain group:
A. phenyl
B. carboxylic
C. *carbonyl
D. nitrozoE. nitro589.
Which reagent can be used to distinguish pentanone-2 from pentanone-3 ?
A. *
B.
C.
D.
E.
590.
A.
B. *
C.
D.
What is the product of propanone interaction with hydrazine?
E.
591.
Which is the product of butanone interaction with HCN in alkaline media?
A. *
B.
C.
D.
E.
592.
What is the name of products of hydroxylamine interaction with ketones?
A. ketoimines
B. semicarbazones
C. hydrazones
D. Schiff bases
E. *ketoximes
593.
Which reagent can be used to distinguish acetone from propanal?
A.
B. *
C.
D.
E.
594.
Which reaction can be used to distinguish propanal from propenal?
A.
B.
C.
D. *
(H2O)
E.
595.
Which is the product of benzaldehyde interaction with ammonia?
A.
B.
C. *
D.
E.
596.
Aldehydes interact with the sodium hydrosulphite and form bisulphite accession
compounds. Which of the following is the bisulfite addition compound of benzaldehyde?
A.
B.
C. *
D.
E.
597.
The qualitative reaction on aldehyde group is:
A. reaction of reduction
B. *reaction with acid fuchsin sulfite
C. Cannizzaro reaction
D. reaction of aldol condensation
E. iodoform test
598.
A common laboratory test for aldehyde group is the reaction with Tollen’s
reagent, which is:
A. the ammoniac solution of silver chloride
B. the ammoniac solution of silver nitrite
C. *the ammoniac solution of silver nitrate
D. the alkaline solution of silver oxide
E. the alkaline solution of silver chloride
599.
What is the identity of the compound A in the following scheme of the reactions?
A.
B.
C. *
D.
E.
600.
Choose the structure of bisulphate compound of aldehyde.
A.
B.
C. *
D.
E.
601.
The industrial method of aldehydes synthesis is oxonation. Which set of reagent is used
in this method together with alkenes?
A.
B.
C. *
D.
E.
602.
Semiacetals and acetals result form the interaction of aldehydes with alcohols; identify
the type of this reaction.
A. hydration
B. substitution of hydrogen atom in hydrocarbon radical
C. substitution of hydrogen atom in aldehyde group
D. *addition
E. addition-elimination
603.
Choose aldehyde group:
A. -С–О–С
B. –СН2–ОН
C. *–С(О)Н
D. –С=О
E. -ОН
604.
What compound has Carbon atom in sp2-hybridization state?
A. *Ethanal
B. Ethanol
C. Acetylene
D. Methane
E. Ethane
605.
Choose correct name of the following compound (СН3)2СНС(О)Н:
A. *2-methylpropanal
B. 1,2-dimethybutanal
C. Dimethylethanal
D. 2,3-dimethylethanal
E. Hexanal
606.
What compound is the structural isomer of pentanal?
A. 2,2-dimethylpentanal
B. 3-methylpentanal
C. *3-methylbutanal
D. 2-methylpentanal
E. Hexanal
607.
Choose the structural isomer of pentanal:
A. *2,2-dimethylpropanal
B. 2-methylpropanal
C. 3-methylpropanal
D. 2-methylpentanal
E. Hexanal
608.
Methanal and formic aldehyde are:
A. Homologues
B. Geometric isomers
C. Structural isomers
D. *The same compounds
E. Enantiomers
609.
Butanal and 2-methylpropanal are:
A. Homologues
B. Geometric isomers
C. *Structural isomers
D. The same compounds
E. Enantiomers
610.
Formaldehyde and methanal are:
A. Homologues
B. Geometric isomers
C. Structural isomers
D. *The same compounds
E. Enantiomers
611.
Formaldehyde and propanal:
A. *Homologues
B. Geometric isomers
C. Structural isomers
D. The same compounds
E. Enantiomers
612.
Ethanal and acetic aldehyde are:
A. Homologues
B. Geometric isomers
C. Structural isomers
D. *The same compounds
E. Enantiomers
613.
Acetaldehyde and formic acid are:
A. *Homologues
B. Geometric isomers
C. Structural isomers
D. The same compounds
E. Enantiomers
614.
Acetaldehyde and ethanal are:
A. Homologues
B. Geometric isomers
C. Structural isomers
D. *The same compound
E. Enantiomers
615.
What product can be obtained from the acetylene by the Cucherov reaction?
A. Acetic acid
B. *Acetaldehyde
C. Ethylene glycol
D. Ethanol
E. Acetone
616.
After the acetylene dehydratation the following compound can be obtained:
A. С2Н5ОН
B. С2Н6
C. СН3СООН
D. *СН3С(О)Н
E. С3Н7ОН
617.
After the acetylene hydratation the following compound can be obtained:
A. Ethylene
B. Ethanol
C. Ethanoic acid
D. *Ethanal
E. Propanal
618.
Choose the middle product of the methanol interaction with potassium permanganate
solution:
A. Formic acid
B. *Methanal
C. Ethanal
D. Ethanoic acid
E. Propanal
619.
Choose the middle product of ethanol interaction with potassium permanganate
solution:
A. Formic acid
B. Methanal
C. *Ethanal
D. Ethanoic acid
E. Propanal
620.
Choose the middle product of propanol interaction with potassium permanganate
solution:
A. Propionic acid
B. *Propanal
C. Ethanal
D. Ethanoic acid
E. Methanal
621.
Choose row, which includes names of one compound:
A. Toluene, styrene, ethylbenzene
B. *Formaldehyde, formic aldehyde, methanal
C. Acetone, ethylene, acetylene
D. Acetic acid, methylacetate, ethanoic acid
E. Acetic acid, acetylene
622.
What types of reactions are character for methanal?
A. *Oxidation and reduction
B. Burning and neutralization
C. Exchange and oxidation
D. Reduction and exchange
E. Exchange and neutralization
623.
What type of reactions is not character for ethanal?
A. Substitution
B. Reduction
C. *Exchange
D. Oxidation
E. Neutralization
624.
What compound does form after the formaldehyde reduction?
A. *Methanol
B. Ethanol
C. Butanol
D. Propanol
E. Hexanol
625.
What compound does form after the acetaldehyde reduction?
A. Methanol
B. *Ethanol
C. Butanol
D. Propanol
E. Hexanol
626.
What compound does form after the butanal reduction?
A. Methanol
B. Ethanol
C. *Butanol
D. Propanol
E. Hexanol
627.
What compound does form after the formaldehyde oxidation by cooper (ІІ) hydroxide?
A. Benzoic acid
B. Butanoic acid
C. Acetic acid
D. *Formic acid
E. Salicylic acid
628.
What compound does form after the acetaldehyde oxidation by cooper (ІІ) hydroxide?
A. Benzoic acid
B. Butanoic acid
C. *Acetic acid
D. Formic acid
E. Salicylic acid
629.
What compound does form after the butanal oxidation by cooper (ІІ) hydroxide?
A. Benzoic acid
B. *Butyric acid
C. Acetic acid
D. Formic acid
E. Salicylic acid
630.
What compound does form after the formaldehyde oxidation by the ammonium solution
of silver (І) oxide?
A. Benzoic acid
B. *Formic acid
C. Butyric acid
D. Carbonate acid
E. Salicylic acid
631.
What compound does form after the acetaldehyde oxidation by the ammonium solution
of silver (І) oxide?
A. *Acetic acid
B. Butanoic acid
C. Propanoic acid
D. Formic acid
E. Salicylic acid
632.
What compound does form after the butanal oxidation by the ammonium solution of
silver (І) oxide?
A. Benzoic acid
B. Acetic acid
C. Ethanoic acid
D. *Butanoic acid
E. Salicylic acid
633.
What compound does form after the interaction of propanal with chlorine?
A. Chloropropane
B. Chloride of propanoic acid
C. *α-chloropropanal
D. β - bromopropanal
E. Dichloropropane
634.
What compound does form after the interaction of butanal with chlorine?
A. β -chlorobutanal
B. Chloride of butanoic acid
C. γ-chlorobutanal
D. *α-chlorobutanal
E. chloral
635.
What compound does always form at the reduction of any aldehyde?
A. *Carboxylic acid
B. Tertiary alcohol
C. Secondary alcohol
D. Primaryalcohol
E. Ketone
636.
What compound does always form at the reduction of any ketone:
A. Carboxylic acid
B. tertiary alcohol
C. *Secondary alcohol
D. Primary alcohol
E. Aldehyde
637.
Choose the formula of compound, which forms at the interaction of acetone with
hydrogen in the presence of catalyst:
A. *СН3-СН(ОН)-СН3
B. С2Н5ОН
C. СН3-СН2-СН2-ОН
D. С3Н7ОН
E. С4Н9ОН
638.
Choose the formula of compound, which forms at the interaction of acetone with
hydrogen in the presence of catalyst:
A. Propanol-1
B. *Propanol-2
C. Propanol-3
D. Ethanol
E. Propanone
639.
Choose the row of compounds, which react with ethanal:
A. Ag2O, Cu(OH)2, Na2SO4
B. Na2O, KOH, CO2
C. H2, O2, NaCl
D. *NaHSO3, HCN, H2
E. H2, O2, Na2SO4
640.
Choose the row of compounds, which react with ethanal:
A. O2, N2, Ca(OH)2
B. *HCN, O2, Cu(OH)2
C. Sr(OH)2, Na2SO4, NaHSO3
D. Ag2O, KCl, KOH
E. H2, O2, Na2SO4
641.
Choose the row of compounds, which react with ethanal:
A. *Cl2, O2, H2
B. Na, K, K2O
C. HCN, NaCl, Na2SO4
D. NaHSO3, KBr, Cu(OH)2
E. H2, O2, Na2SO4
642.
Choose the row of compounds, which react with propanal:
A. *HCN, HNO3, NaHSO3
B. NaHSO4, KOH, O2
C. Ag2O, Cl2, NaHSO3
D. NaHSO3, KOH, Cu(OH)2
E. H2, O2, Na2SO4
643.
Choose the row of compounds, which react with propanal:
A. O2, Н2, Р
B. Сr2O3, Cl2, NaHSO3
C. Ag2O, О2, Н2SO4
D. *NaHSO3, HCN, Cu(OH)2
E. H2, O2, Na2SO4
644.
Choose aldehyde from the following compounds:
A. CH3COOH
B. CH3- CH2- OH
C. *CH3-C(O)H.
D. CH3-C(O)-CH3
E. H-C(O)OH
645.
Specify formula of ethanal:
A. *CH3-C(O)H
B. H-C(O)H
C. CH3-C(O)OH
D. H-C(O)OH
E. CH3-CH2-OH
646.
Determine the general formula of aldehydes:
A. CnH2n+1OH
B. CnH2n+2COOH
C. CnH2n+1COOH
D. *CnH2n +1C(O)H
E. CnH2n+1COOR
647.
Name the functional group: С(O)H
A. Carboxylic
B. Hydroxyl
C. *Aldehyde group
D. Keto-group
E. Phenyl-group
648.
What reaction can be used to confirm presence of aldehyde group in ethanal molecula?
A. CH3-C(O)H + H2 = CH3-CH2?OH
B. *CH3-C(O)H + Ag2O = CH3-COOH + 2Ag?
C. 2CH3-C(O)H + 5O2 = CO2 + H2O
D. CH3-C(O)H + [O] = CH3-COOH
E. CH3-CH2-OH + CuO = CH3-C(O)H + H2O + Cu
649.
Choose the reaction of acetic aldehyde obtaining:
A. CH3-CH2-Cl + NaOH = CH3-CH2-OH + NaCl
B. CH3-C(O)H + Ag2O = CH3-COOH + 2Ag
C. *CH3-CH2-OH + CuO = CH3-C(O)H + H2O + Cu
D. CH3-OH + CuO = H-C(O)H + H2O + Cu
E. CH3-C(O)H + Ag2O = CH3-COOH + 2Ag
650.
The formula H-C(O)H has the following name:
A. Acetic aldehyde
B. *Formic aldehyde
C. Propionic aldehyde
D. Butyric aldehyde
E. Methanone
651.
Ethanal CH3-C(O)H is used for the obtaining of:
A. *Acetic acid
B. Formic acid
C. Methanol
D. Propionic acid
E. Propanone
652.
Organic compound, which is the product of acetylene hydratation, gives “silver mirror”
reaction and at the reduction forms ethanol is:
A. *Acetaldehyde
B. Propane
C. Acetic acid
D. Acetone
E. Propanone
653.
Liquid with characteristic smell, which after the oxidation transforms in compound that
can be neutralized by alkali and the product of neutralization can be used for the methane
obtaining, is:
A. Methanal
B. Propanal
C. *Ethanal
D. Butanal
E. Hexanal