Section 18.2
Substituted Hydrocarbons
Practice Test
1.
________________ have the prefixes cis- and trans-.
a.
Di- and Tri- isomers
b.
Geometric isomers
c.
Structural isomers
d.
Stereoisomers
Hint
2.
A functional group is the part of a molecule having a specific arrangement of atoms that is largely responsible for the _______________ of the parent molecule.
a.
chemical behavior
b.
density
c.
mass
d.
volume
Hint
3.
What type of organic compound is characterized by a hydroxy functional group bonded to a carbon atom of a hydrocarbon?
a.
an alcohol
b.
an aldehyde
c.
carbon dioxide
d.
octane
Hint
4.
These types of organic compounds have strong aromas, are volatile, and are used in artificial flavorings and fragrances.
a.
aldehydes
b.
alkynes
c.
esters
d.
ethers
Hint
5.
The general formula for an amine is __________.
a.
RNH2
b.
ROR'
c.
ROH
d.
RX
Hint
6.
What is the difference between an aldehyde and a ketone?
a.
Aldehydes have carbonyl groups; ketones have carboxyl groups.
b.
Aldehydes have carbonyl groups at the end of a carbon chain; ketones have carbonyl groups within carbon chains.
c.
Aldehydes have carboxyl groups; ketones have carbonyl groups.
d.
Aldehydes have carboxyl groups at the end of a carbon chain; ketones have carboxyl groups within carbon chains.
Hint
