Multiple
Choice
Identify the letter of the choice that best completes the statement or answers the
question.
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1.
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Structural isomers are
compounds that have a. | the same molar masses, but different
elemental composition. | b. | have identical structures, but contain
different isotopes of the same elements. | c. | two or more double
bonds. | d. | the same elemental composition, but different molar
masses. | e. | the same elemental composition, but the atoms are linked in different
ways. | | |
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2.
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What is the molecular formula
for heptane? a. | C6H12 | b. | C6H14 | c. | C7H14 | d. | C7H16 | e. | C8H14 | | |
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3.
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What is the name of the
following compound?
a. | 2,5-dimethylheptane | b. | 2,5-diheptane | c. | 2-ethyl-5-methylhexane | d. | 3,6-dimethylheptane | e. | 1,1,4-trimethylhexane | | |
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4.
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What is the name of the
following compound?
a. | trans-acetylene | b. | cis-1,3-pentadiene | c. | trans-2,4-pentadiene | d. | cis-4-methyl-1,3-butadiene | e. | cis-4-methyl-1,3-butene | | |
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5.
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Which of the following
compounds are aromatic?
a. | 1 only | b. | 2 only | c. | 3 only | d. | 4 only | e. | 1, 2 and 4 | | |
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6.
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Which of the following
molecules are polar?
a. | 1 and 2 | b. | 2 and 3 | c. | 3 and 4 | d. | 1 and 3 | e. | 2 and 4 | | |
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7.
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What is the product of the
addition of Cl2 to 2-butene? a. | 2-chlorobutane | b. | 2-chlorobutene | c. | 2,2-dichlorobutane | d. | 2,3-dichlorobutane | e. | 1,4-dichlorobutane | | |
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8.
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Which one of the following
functional groups is a base? a. | ketone | b. | alcohol | c. | carboxylic acid | d. | amine | e. | ether | | |
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9.
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The carbonyl group occurs in
molecules with all of the following functional groups EXCEPT ____. a. | esters | b. | amines | c. | ketones | d. | amides | e. | aldehydes | | |
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10.
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Which of the following
statements concerning polyethylene are correct?
1. | Polyethylene is made by condensation polymerization. | 2. | Polyethylene contains alternating single and double carbon-carbon
bonds. | 3. | The monomer for polyethylene is
CH2CH2. | | |
a. | 1 only | b. | 2 only | c. | 3 only | d. | 1 and 2 | e. | 1, 2, and 3 | | |
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