Quiz: Organic Molecules
Name:_______________________
Use the following information to answer the next question.
Carbon-Containing Compounds
1 CCl4(l)
5 CO(g)
2 Fe3C(s)
6 C3H8(g)
3 C2H2(g)
7 NaCN(s)
4 C2H5OH(l)
8 MgCO3(s)
Numerical Response #1
The compounds numbered above that can be classified as organic are _____, _____,
_____, and _____.
1. Which of the following is the correct name for the compound shown below?
a. 6-ethyl-2-methylhept-3-yne
b. 2-ethyl-6-methylhept-4-yne
c. 3,7-dimethyloct-5-yne
d. 2,6-dimethyloct-3-yne
2. What is the IUPAC name for the molecule shown below?
a. 2-ethyl-3-methylpent-1-ene
b. 3-methyl-2-ethylpent-1-ene
c. 3-methyl-4-methylhexane
d. 3,4-dimethyhex-2-ene
Numerical Response #2
The number of carbon, hydrogen, and oxygen atoms, respectively, in propanoic acid are
____, ____, and ____.
3. Which of the following compounds is a carboxylic acid?
a. CH3CH2COOCH3
b. CH3CH2COOH
c. CH3CH2OCH3
d. CH3CH2OH
Use the following information to answer the next question.
Numerical Response #3
Match each of the structural diagrams above with its classification below.
Aromatic
______
Carboxylic acid
______
Unsaturated and aliphatic ______
Halogenated hydrocarbon ______
Use the following information to answer the next three questions.
4. Which structures represent esters?
a. 1 and 9
b. 2 and 7
c. 3 and 5
d. 4 and 8
5. Which structure represents the molecule 2,2,4-trimethylhexane?
a. 1
b. 3
c. 5
d. 9
Numerical Response #4
When comparing molecules 1, 4, 5, and 6, the order of these molecules when arranged in
order from highest to lowest boiling point would be ____, ____, ____, and_____.
6. Which of the following molecules represents 1,3-dimethylbenzene?
7. What is the correct name of the molecule shown below?
a. 2-methylcyclohexene
b. 3-methylhexene
c. 1-methylcyclohex-2-ene
d. 3-methylcyclohexene
Use the following information to answer the next two questions.
Numerical Response #5
For the molecule shown below, the empirical molecular formula may be written in the form
CabHcd, where a, b, c, and d are numbers from 0 to 9. The correct values for a, b, c, and d
for this molecule are ____, ____, ____, ____.
Fill in Blank #1
The name of this molecule is ____________________________________________
Use the following information to answer the next five questions.
Below are line structural formulas for molecules that represent nine
different classes of organic compounds.
Numerical Response #6
The aromatic compound is molecule number _____, the alkyne is molecule number _____,
the carboxylic acid is molecule number _____, and the ester is molecule number _____.
Fill in Blank #2
The correct name for compound 5 is ___________________________________________.
Fill in Blank #3
The correct name for compound 6 is ___________________________________________.
Numerical Response #7
The two molecules most likely to be soluble in water are ____ and ____.
Numerical Response #8
List the number(s) of all the molecules that are unsaturated.
Use the following information to answer the next question.
The empirical formulas for four members of a homologous alkane series are
indicated below.
1
C4H10
2
C6H14
3
C5H12
4
C7H16
Numerical Response #9
When those members are arranged from higher boiling points to lower boiling points, the
correct order will be ____, ____, ____, ____.
Use the following information to answer the next question.
Two properties that cycolpentanol and pentanoic acid have in common are that
they have the same number of ___i___ and that they are both ___ii___.
8. The statement above is completed by the information in row
Row
i
ii
a.
oxygen atoms
aliphatic
b.
oxygen atoms
aromatic
c.
carbon atoms in their parent chain
aliphatic
d.
carbon atoms in their parent chain
aromatic
Use the following information to answer the next question.
Because of popular media, fingerprinting conjures up images of a crime scene
investigator dusting for prints using a fine metal powder. More recently,
however, fluorogenic reagents such as dansyl chloride have been used to
detect fingerprints because they react with amino acids in sweat to form
fluorescent ridge patterns. The structure of dansyl chloride is given below.
9. Which of the following statements could correctly be made about dansyl chloride?
a. It is an alcohol.
b. It is an alkene.
c. It is an aromatic.
d. It is an acid.
Use the following information to answer the next two questions.
1
2
3
Compound
Cyclobutane
Propan-1-ol
Heptan-1-ol
Numerical Response #10
Rank the above compounds from highest boiling point to lowest boiling point.
_______
_______
highest
_______
lowest
Numerical Response #11
Rank the above compounds from most soluble in water to least soluble in water.
_______
highest
_______
_______
lowest
Use the following information to answer the next question.
A student drew the structural diagram shown below.
10. The IUPAC name for the structural diagram the student drew is 1-__i__-2-__ii__.
The statement above is completed by the information in row
Row
i
ii
a.
methyl
ethylbutane
b.
methyl
ethylcyclobutane
c.
ethyl
methylbutane
d.
ethyl
methylcyclobutane
Use the following information to answer the next question.
Organic Compounds
1 2-methylcyclobut-1-ene
4 5-methylhept-3-yne
2 1,2-dibromohexane
5 cycloheptane
3 2,2-dimethylpentane
6 pentan-1-ol
Numerical Response #12
The organic compound numbered above that
is an alkene is
_____ (record in first column)
is an alcohol is
_____ (record in second column)
contains a triple bond is
_____ (record in third column)
is cyclic and saturated
_____ (record in fourth column)
Use the following information to answer the next question.
Certain esters are responsible for the odour associated with fruits. Below are
the line structural formulas for the esters that smell like apple, pear, and grape.
Numerical Response #13
Associate the line structural formulas with the appropriate ester name.
ethyl pentanoate
_____ (record in first column)
ethyl nonanoate
_____ (record in second column)
propyl ethanoate
_____ (record in third column)
11. Which of the following is an isomer of CH3CH2OH?
a. CH3CH2CH3
b. CH3OCH3
c. CH3COOH
d. CH3COCH3
12. The process in which large organic compounds are broken down into smaller
molecules is called
a. cracking
b. reforming
c. solvent extraction
d. fractional distillation
13. The process of converting aliphatic molecules into aromatic molecules can best be
described as
a. cracking
b. reforming
c. solvent extraction
d. fractional distillation
14. Draw the condensed structural diagrams for the following organic molecules.
a. 4-ethylhex-2-yne
c. 1-butyl-2,4-diethylbenzene
b. cycloheptene
15. Draw the line structural diagram for the following organic molecules.
a. 4,4-diethyl-2-phenyloctane
b. 2-methylhexan-3,4-diol
c. butyl 3,3-dimethylbutanoate
16. Provide the names for the two isomers shown below. Compare two physical
properties that could be used to distinguish between the two isomers.
17.
a. Draw and name a six-carbon organic compound.
b. Identify if the compound you drew is saturated or unsaturated.
c. Draw and name a structural isomer of the compound that you drew
above.
Answer Sheet
Multiple Choice
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Numerical Response
Fill in Blank
1.
2.
1.__________________________________
2.__________________________________
3.__________________________________
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