Assignment #2
CHEM201
Name___________________________________
Student #: _________________________________________
Due Date: _______________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the
question.
1) Which of the following molecules does not exhibit a net dipole moment
of zero?
A) CO2
B) SO3
C) CH4
D) CCl4
E) H2O
2) Give the IUPAC name for the following structure:
A)
B)
C)
D)
E)
2-methyl-3-ethylheptane
3-ethyl-2-methylheptane
5-Isopropyloctane
2-methyl-3-propylheptane
4-Isopropyloctane
3) Which of the compounds below will form hydrogen bonds between its
molecules?
A) CH3CH2OCH3
B) CH3CH2CH2F
C) CH3CH2CH2CH3
D) (CH3)3N
E) CH3NHCH2CH3
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4) Consider the three isomeric alkanes n-hexane, 2, 3-dimethylbutane, and
2-methylpentane. Which of the following correctly lists these
compounds in order of increasing boiling point?
A) n-hexane < 2-methylpentane < 2, 3-dimethylbutane
B) 2-methylpentane < n-hexane < 2, 3-dimethylbutane
C) 2, 3-dimethylbutane < 2-methylpentane < n-hexane
D) 2-methylpentane < 2, 3-dimethylbutane < n-hexane
E) n-hexane < 2, 3-dimethylbutane < 2-methylpentane
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SHORT ANSWER. Write the word or phrase that best completes each statement or answers the
question.
5) There is something wrong with the following name. Write the
structure and correct the name: 2-ethylpropane.
6) Provide an acceptable name for the alkane shown below.
7) Draw an acceptable structure for 4-t-butyloctane.
8) Give the systematic name of the cycloalkane shown below.
9) Draw all ethers with molecular formula C4H10O
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