Multiple Choice
Identify
the letter of the choice that best completes the statement or answers
the question.
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1. |
Organic compounds
a. |
always come from living organisms |
c. |
must
contain carbon |
b. |
must contain oxygen |
d. |
include all compounds that contain carbon |
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2. |
An
alkane with two carbon atoms has the formula
a. |
C2H2 |
c. |
C2H6 |
b. |
C2H4 |
d. |
C2H8 |
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3. |
The
general formula for an alkene is
a. |
CnHn |
c. |
CnH2n + 2 |
b. |
CnH2n |
d. |
CnH2n + 4 |
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4. |
If
an alcohol and an organic acid are chemically combined, the resulting
compound is called an
a. |
ester |
c. |
alkene |
b. |
ether |
d. |
alkane |
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5. |
Alkynes
a. |
are saturated hydrocarbons |
c. |
have at least one triple bond |
b. |
have
the general formula CnHn |
d. |
are less reactive than alkenes |
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6. |
The
process of separating petroleum into its fractions is called
a. |
condensing |
c. |
boiling |
b. |
refining |
d. |
distillation |
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7. |
Amino
acids
a. |
are
the building blocks of proteins |
b. |
contain an amino group and a carboxyl group |
c. |
are both of the above |
d. |
are
none of the above |
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8. |
Which
of the following is a polymer?
a. |
ethane |
c. |
an amino acid |
b. |
rubber |
d. |
ethylene |
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9. |
Esterification occurs when
a. |
a carboxylic acid reacts with an alcohol |
b. |
solid fats are combined with sodium hydroxide |
c. |
a carbon atom is bonded to an –OH group |
d. |
there is a reaction between two different
monomers |
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10. |
An
amine is made up of
a. |
an amino group bonded to a carbonyl group |
b. |
an amino group bonded to a hydrocarbon |
c. |
a carbohydrate consisting of two monosaccharides |
d. |
two amino acids joined together with a peptide
bond |
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Completion
Complete each sentence
or statement.
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11. |
Aldehydes are substituted hydrocarbons that contain a(n) ____________________
group on the end of the carbon chain.
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12. |
Gasohol contains an alcohol called ____________________, which
is produced from converted starches.
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13. |
Unsaturated hydrocarbons with one or more carbon–carbon double
bonds are called ____________________.
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14. |
____________________ have the same formula but different structures.
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15. |
Monomers link through addition reactions to form a(n) ____________________.
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16. |
An
ammonia molecule in which one or more hydrogen atoms are substituted
by alkyl groups is called a(n) ____________________.
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17. |
The
____________________ group is the functional group of a carboxylic acid.
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18. |
Hydrocarbons that have double or triple bonds between carbon atoms
are said to be ____________________.
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19. |
Different fractions of petroleum have different ____________________,
thus allowing the fractions to be separated.
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20. |
A(n)
____________________ reaction occurs when one substance is added to
produce a larger product by eliminating a small molecule.
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Other
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21. |
Draw
the structural diagram and write the formula for each of the following
organic compounds:
a. 2-pentene
Formula: _______________________
b. 1-propanol
Formula: _______________________
c. 2-hexyne
Formula: ______________________
d.
methyl
butanoate
Formula: ______________________
e.
ethanamide
Formula: ______________________
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