Hydrocarbons
Practice Test
1.
What is the prefix name that indicates when six carbon atoms are present in the alkane chain structure?
a.
hex
b.
hept
c.
pent
d.
oct
2.
What type of organic compound has at least one double or triple bond?
SC.A.1.4.5
a.
alkane
b.
cyclic hydrocarbon
c.
unsaturated hydrocarbon
d.
saturated hydrocarbon
3.
What is the class of hydrocarbons that only have single bonds?
SC.A.1.4.5
a.
alkylhalides
b.
alkanes
c.
alkynes
d.
alkenes
4.
What organic compound is characterized by the presence of a triple bond?
SC.A.1.4.5
a.
alkyl halide
b.
alkene
c.
alkyne
d.
alkane
5.
In fractional distillation the hydrocarbons composed of fewer carbon atoms rise up the colam in the form of a _______________.
SC.A.1.4.3
a.
distillate
b.
liquid
c.
solid
d.
gas
6.
Substances that cause cancer are ______________.
a.
carcinogenic
b.
substituted
c.
aliphatic
d.
unsaturated
7.
What is the main source of hydrocarbons?
a.
combustion
b.
petroleum
c.
waste products
d.
grains
8.
What physical structure must be present to have geometric isomers, also known as cis— and trans—isomers?
SC.A.1.4.5
a.
double bond
b.
single bond
c.
cyclic structure
d.
triple bond
9.
Organic compounds that are composed of carbon chains are referred to by a special name. What kind of compounds are these?
a.
allylic compounds
b.
aromatic compounds
c.
aliphatic compounds
d.
alkalinic compounds
10.
The smallest cycloalkane has __________ carbon atoms.
SC.A.1.4.5
a.
two
b.
three
c.
six
d.
one
11.
Chiral carbons will produce _____________.
a.
polymers
b.
monomers
c.
optical isomers
d.
structural isomers
12.
What element is combined with carbon to form the simplest organic compounds, also known as hydrocarbons?
SC.F.1.4.1
a.
hydrogen
b.
nucleic acids
c.
lipids
d.
alcohols
13.
Compounds that are composed of the same number and type of atoms but have them arranged in different ways are ___________.
SC.A.1.4.2
a.
alkanes
b.
isotopes
c.
isomers
d.
polymers
14.
What kind of organic compounds contain benzene rings as part of their structure?
SC.A.1.4.2
a.
alkalinic compounds
b.
aliphatic compounds
c.
aromatic compounds
d.
adiabatic compounds
15.
What property can be assigned to a carbon atom that has four different atoms or structural groups attached to it?
SC.A.1.4.2
a.
geometry
b.
isomerity
c.
chivalry
d.
chirality
16.
What term is used to describe isomers that have all the atoms bonded in the same order but arranged differently in space?
a.
stereoisomers
b.
nonisomers
c.
structural isomers
d.
polymers
17.
What is the name given to a series of compounds that differ from one another by a repeating unit?
a.
homologous series
b.
heterogeneous series
c.
homogeneous series
d.
hydrocarbon series
18.
What is the principle use of alkanes?
SC.H.3.4.6
a.
as antiseptics
b.
as polar solvents
c.
as flavorings
d.
as fuels
19.
The structural formula -C=C- indicates a ___________ bond between the carbon atoms.
SC.A.1.4.5
a.
single covalent
b.
single ionic
c.
double covalent
d.
double ionic
20.
What is the name given to a hydrocarbon that contains a ring?
SC.A.1.4.5
a.
unsaturated hydrocarbon
b.
cyclic hydrocarbon
c.
branched-chain hydrocarbon
d.
straight-chain hydrocarbon
21.
What is the identifying structural feature of alkenes?
SC.A.1.4.5
a.
double bond
b.
triple bond
c.
attachment of a halogen
d.
single bonds
22.
The branch of chemistry that is devoted to the study of carbon compounds is _________.
a.
organic chemistry
b.
inorganic chemistry
c.
physical chemistry
d.
analytical chemistry
