SMITA MAM’S
BATCH 11th GSEB
CH : 17
SUB. Chemistry
Organic Compounds with Functional
Groups Containing Halogen
Multiple Choice Question
1. For a given alkyl group, the boiling points of alkyl halides follow the order
(a)
RI > RBr > RCl
(b)
RCl > RBr > RI
(c)
RI > RCl > RBr
(d)
RBr > RI > RCl
2. Alkyl halides on treatment with alc. KOH give
(a)
alcohols
(b)
alkenes
(c)
alkanes
(d)
aldehydes
3. In the reaction
aq.KOH

CH3CHCl2   
(a)
CH3CHO
(b)
Intermediate  X ; X is
(CH3)2CO
(c)
CH3CH2OH
(d)
CH2 — CH2
OH
OH
4. Hydrocarbon (A) reacts with bromine substitution to form an alkyl bromide which by Qurtz
reaction is converted gaseous hydrocarbon containing less than four carbon atoms. A is
(a)
CH2 = CH2
(b)
CH = CH
(c)
CH4
(d)
CH3 - CH3
5. The trade name of trichloroethylene is
(a)
Westrosol
(b)
Freon (c)
Westron
(d)
D.D.T
6. Freon-12 is commonly used as
(a)
an insecticide (b)
a refrigerant (c)
a solvent
(d)
fire extinguisher
7. 1,2-dichloroethene is known to exhibit
(a)
optical isomerism
(b)
geometrical isomerism
(c)
metamerism
(d)
tautomerism
8. Chlorobenzene can be obtained from benzene diazonium chloride by
(a)
Gattermann’s reaction
(b)
Friedel Craft reaction
(c)
Wurtz reaction
(d)
Fittig reaction
9. the IUPAC name of CH3-CH = CHCH2br is
(a)
1-Bromo-2-butene
(b)
1-Bromo-3-butene
(c)
2-Butene-1-bromide
(d)
4-Bromo-2-butene
CH 3
10.The predominant product pf hydrolysis of CH 3 — C — Cl
CH 3
(a)
CH3—CH = CHCH3
CH 3
(b)
CH 3 — C  CH 2 OH
CH 3
CH 3
(c)
CH 3 — C — CH 2
CH 3 — C — OH
(d)
CH 3
CH 3
Dry ether
11.The reaction: RX + 2Na + RX    R - R + 2 Nax
is called
(a)
Sandmeyer’s reaction
(c)
Fitting reaction
(c)
Wurtz reaction
(d)
Williamson’s synthesis
12.In the reaction
alc.KOH
Br 2
KCN
 Z, Z is
CH3CH2I    X  Y  
(a)
CH3CH2CN
(b)
CNCH2CH2CN (c)
Br CH2CH2CN (d)
13.In the reaction ;
alc.KOH
HBr
Br CH = CHCN
NaI
CH3CHCH3    X  Y  Z; Z is :
peroxide
Acetone
Br
(a)
CH3CH2CHI
(b)
CH3CH-CH3
(c)
CH3CH = CHI (d)
CH3CHCH2I
I
I
I
14.Which of the following is most reactive towards nucleophilic substitution reaction ?
(a)
C6H5Cl (b)
CH2 = CHCl (c)
ClCH2CH = CH2
(d)
CH3CH = CHCl
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SMITA MAM’S
CH : 17
Organic Compounds with Functional
Groups Containing Halogen
15.The reaction of toluene with Cl 2 in the presence of FeCl3 gives predominantly
(a)
Benzoyl chloride
(b)
m-chloro toluene
(c)
Benzyl chloride
(d)
a- and p-chlorotoluene
BATCH 11th GSEB
SUB. Chemistry
1 marks
1.
2.
3.
4.
5.
6.
7.
8.
9.
What are halogenated organic compounds ?
Write the uses of organic halogenated compounds.
What is an alkyl halide ?
What is an aryl halide ?
What is an aryl alkyl halide ?
Giving structural formula of 1 halide, give its IUPAC name.
Giving structural formula of 2 halide, give its IUPAC name.
Giving structural formula of 3 halide, give its IUPAC name.
ive the name of the reaction and product for a reaction in which alkyl halide is
heated with aqueous alkali.
10. Give the equation for the reaction in which benzyl chloride is reacted with sodium
hydroxide.
11. Write structure and IUPAC name of the following compounds.
12. Give the equation for reaction in which methyl chloride is reacted with sodium
metal.
13. Give the equation for the reaction in which methyl chloride is reacted with
magnesium metal in dry ether.
14. Give the equation for the reaction in which sodium phenoxide is reacted with ethyl
chloride.
15. Give the equation for the reaction in which methyl chloride is reacted in ethanol
with potassium cyanide.
16. Give the equation of hydrolysis of methyl cyanide.
17. Give the equation for the reduction of methyl cyanide.
18. Give the equation for the reaction of silver acetate with ethyl chloride.
19. Give the equation for industrial production of aniline.
OR
Give equation of “ammonolysis”.
20.
21.
22.
23.
Give the reaction for the reduction of ethyl isocyanide.
Give only equation for Wurtz reaction.
Give only equation for Grignard reaction.
Discuss the classification of alkyl halides.
24. Discuss IUPAC nomenclature of halogenated compounds.
2 marks
25. Give a short account of different chloro compounds.
26. What is a nuclephilic reagent (Nucleo-phile) ? What is a nucleophilic substitution
reaction ?
27. Explain the reaction to obtain ester from alkyl halide.
28. Discuss physical properties of organic halides.
29. Discuss the reactions for the preparation of alcohol and phenols from alkyl halide.
30. Discuss -elemination reaction of alkyl halide.
OR
Discuss dehydrohalogenation of alkyl halide.
OR
Discuss the reaction to get alkenes from alkyl halide.
3 marks
2
SMITA MAM’S
BATCH 11th GSEB
SUB. Chemistry
CH : 17
Organic Compounds with Functional
Groups Containing Halogen
31. Discuss “Williamson synthesis”.
OR
Discuss the reactions for the preparation of ethers from alkyl halides.
32. Discuss the reactions to get cyanides or Nitriles from alkyl halides.
OR
Discuss cyanation of alkyl halides.
33. Discuss the reactions to get amines from alkyl and aryl halide. OR
Discuss amination and ammonolysis reactions.
34. Discuss the reaction to get hydrocarbons from alkyl halides.
OR
Discuss (i) Reduction of alkyl halide (ii) Wurtz reaction and (iii) Grignard reaction
35. Give a short account of some important poly chloro compounds.
36. Alkyl halide has higher boiling point than alkane.
37. Chloromethane has higher boiling point than methane.
38. Methyl bromide has higher point than methyl chloride.
39. n-butyl chloride has higher b.p. of methyl chloride.
40. Nucleophilic substitution is difficult in aryl halide compared to alkyl halide.
41. Substitution of chloride present in chloro-benzene by amino group is not possible
at normal temperature and pressure.
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