Chapter 22:
Hydrocarbons
Practice Test
1.
What organic compound is characterized by the presence of a triple bond?
a.
alkene
b.
alkyl halide
c.
alkyne
d.
alkane
Hint
2.
Organic compounds that are composed of carbon chains are referred to by a special name. What kind of compounds are these?
a.
aromatic compounds
b.
alkalinic compounds
c.
allylic compounds
d.
aliphatic compounds
Hint
3.
Following the IUPAC naming process, what is the name of the following compound?
a.
5-ethyl-2-methylhexane
b.
2,5-dimethylheptane
c.
3,5-dimethylheptane
d.
2-ethyl-5-methylhexane
Hint
4.
The process used to separate fractions from petroleum is ___________.
a.
drilling
b.
isomerization
c.
chirality
d.
fractional distillation
Hint
5.
What is the class of hydrocarbons that only have single bonds?
a.
alkynes
b.
alkenes
c.
alkanes
d.
alkylhalides
Hint
6.
Using IUPAC naming rules, what is the name of the following compound?
a.
propene
b.
2-propene
c.
1-methylethene
d.
propyne
Hint
7.
Compounds that are composed of the same number and type of atoms but have them arranged in different ways are ___________.
a.
isotopes
b.
alkanes
c.
polymers
d.
isomers
Hint
8.
Chiral carbons will produce _____________.
a.
structural isomers
b.
polymers
c.
optical isomers
d.
polymers
Hint
9.
In fractional distillation the hydrocarbons composed of fewer carbon atoms rise up the colam in the form of a _______________.
a.
gas
b.
liquid
c.
solid
d.
distillate
Hint
10.
What is the name of the following compound?
a.
butane
b.
1,2-dimethylethane
c.
cyclobutane
d.
diethane
Hint
11.
The branch of chemistry that is devoted to the study of carbon compounds is _________.
a.
inorganic chemistry
b.
organic chemistry
c.
physical chemistry
d.
analytical chemistry
Hint
12.
What is the principle use of alkanes?
a.
as flavorings
b.
as antiseptics
c.
as fuels
d.
as polar solvents
Hint
13.
What is the identifying structural feature of alkenes?
a.
single bonds
b.
triple bond
c.
attachment of a halogen
d.
double bond
Hint
14.
What type of organic compound has at least one double or triple bond?
a.
alkane
b.
cyclic hydrocarbon
c.
unsaturated hydrocarbon
d.
saturated hydrocarbon
Hint
15.
What is the name given to a hydrocarbon that contains a ring?
a.
cyclic hydrocarbon
b.
Unsaturated hydrocarbon
c.
branched-chain hydrocarbon
d.
straight-chain hydrocarbon
Hint
16.
What element is combined with carbon to form the simplest organic compounds, also known as hydrocarbons?
a.
hydrogen
b.
alcohols
c.
lipids
d.
nucleic acids
Hint
17.
What is the main source of hydrocarbons?
a.
waste products
b.
grains
c.
combustion
d.
petroleum
Hint
18.
Substances that cause cancer are ______________.
a.
aliphatic
b.
unsaturated
c.
carcinogenic
d.
substituted
Hint
19.
What is the prefix name that indicates when six carbon atoms are present in the alkane chain structure?
a.
hept
b.
hex
c.
oct
d.
pent
Hint
20.
What physical structure must be present to have geometric isomers, also known as
cis
— and
trans
— isomers?
a.
triple bond
b.
cyclic structure
c.
double bond
d.
single bond
Hint
