Chapter 22:
Hydrocarbons
Practice Test
1.
In fractional distillation the hydrocarbons composed of fewer carbon atoms rise up the colam in the form of a _______________.
a.
solid
b.
liquid
c.
distillate
d.
gas
Hint
2.
Substances that cause cancer are ______________.
a.
aliphatic
b.
carcinogenic
c.
unsaturated
d.
substituted
Hint
3.
What organic compound is characterized by the presence of a triple bond?
a.
alkyl halide
b.
alkyne
c.
alkene
d.
alkane
Hint
4.
The side chain on an alkane that appears to replace a hydrogen on the straight chain is a _____________.
a.
parent chain
b.
substituent chain
c.
longest chain
d.
cross-linked chain
Hint
5.
What physical structure must be present to have geometric isomers, also known as
cis
— and
trans
— isomers?
a.
single bond
b.
triple bond
c.
double bond
d.
cyclic structure
Hint
6.
What element is combined with carbon to form the simplest organic compounds, also known as hydrocarbons?
a.
hydrogen
b.
alcohols
c.
nucleic acids
d.
lipids
Hint
7.
What is the main source of hydrocarbons?
a.
petroleum
b.
grains
c.
combustion
d.
waste products
Hint
8.
What term is used to describe isomers that have all the atoms bonded in the same order but arranged differently in space?
a.
polymers
b.
nonisomers
c.
structural isomers
d.
stereoisomers
Hint
9.
What is the name of the following compound?
a.
cyclobutane
b.
diethane
c.
butane
d.
1,2-dimethylethane
Hint
10.
The branch of chemistry that is devoted to the study of carbon compounds is _________.
a.
organic chemistry
b.
physical chemistry
c.
inorganic chemistry
d.
analytical chemistry
Hint
11.
What type of organic compound has at least one double or triple bond?
a.
saturated hydrocarbon
b.
cyclic hydrocarbon
c.
alkane
d.
unsaturated hydrocarbon
Hint
12.
What is the class of hydrocarbons that only have single bonds?
a.
alkanes
b.
alkenes
c.
alkylhalides
d.
alkynes
Hint
13.
Following the IUPAC naming process, what is the name of the following compound?
a.
3,5-dimethylheptane
b.
5-ethyl-2-methylhexane
c.
2-ethyl-5-methylhexane
d.
2,5-dimethylheptane
Hint
14.
What kind of organic compounds contain benzene rings as part of their structure?
a.
aromatic compounds
b.
alkalinic compounds
c.
aliphatic compounds
d.
adiabatic compounds
Hint
15.
Organic compounds that are composed of carbon chains are referred to by a special name. What kind of compounds are these?
a.
aliphatic compounds
b.
alkalinic compounds
c.
aromatic compounds
d.
allylic compounds
Hint
16.
What is the name given to a hydrocarbon that contains a ring?
a.
straight-chain hydrocarbon
b.
cyclic hydrocarbon
c.
Unsaturated hydrocarbon
d.
branched-chain hydrocarbon
Hint
17.
What is the prefix name that indicates when six carbon atoms are present in the alkane chain structure?
a.
pent
b.
oct
c.
hex
d.
hept
Hint
18.
What is the principle use of alkanes?
a.
as antiseptics
b.
as flavorings
c.
as polar solvents
d.
as fuels
Hint
19.
Compounds that are composed of the same number and type of atoms but have them arranged in different ways are ___________.
a.
polymers
b.
alkanes
c.
isotopes
d.
isomers
Hint
20.
What is the name given to a series of compounds that differ from one another by a repeating unit?
a.
hydrocarbon series
b.
homogeneous series
c.
heterogeneous series
d.
homologous series
Hint
