Chemistry: Matter and Change

Section 5: Aromatic Hydrocarbons

Self Check Quizzes

1
What kind of organic compounds contain benzene rings as part of their structure?
A)aliphatic compounds
B)alkalinic compounds
C)aromatic compounds
D)adiabatic compounds
2
Substances that cause cancer are ______________
A)substituted
B)unsaturated
C)carcinogenic
D)aliphatic
3
Why was the structure shown rejected as the structure of benzene (C6H6)?

CH2=C=CH - CH=C=CH2
A)The structure has the wrong number of carbon atoms.
B)The structure has the wrong number of hydrogen atoms.
C)The structure's double bonds would make it more reactive than benzene.
D)The structure's double bonds would make it less reactive than benzene.
4
In forming the aromatic compound p-Xylene (1,4-dimethylbenzene) from benzene, what do the two methyl groups replace?

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A)one hydrogen atom and one carbon atom
B)two hydrogen atoms
C)two carbon atoms
D)four hydrogen atoms
5
What principle determines the numbers in the substituted benzene ring 2-ethyl-1,4-dimethylbenzene?

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A)Make the numbers as large as possible.
B)Make the numbers as far apart as possible.
C)Make the numbers as close together as possible.
D)Make the numbers as small as possible.
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