Functional Group & Hydrocarbon Review
Name:
6.0 Biology
Date:
Period:
Circle the functional group and identify the class of compounds formed (What it makes…) by the added
functional group.
H
|
A. __________________
A.
H
O
B.
H O H
|
//
|
| |
H–C–C
H-C- C -C-H
B. ___________________
|
\
|
| |
H
OH
H H H
C. ___________________
D. ___________________
H H O H
| | || |
C. H – C – C – C –C – H
| |
|
H H
H
H H O
|
| ||
D. H – C – C – C– H
| |
H H
E. ____________________
H H H H
| |
| |
E. H – N – C – C – C– H
| | |
H H H
COMPLETION
____________________ 1. The name of a straight chain hydrocarbon having 6 carbon atoms contains the
prefix -?-.
____________________ 2. A hydrocarbon with a double bond in the carbon chain is classified as a/an -?-.
____________________ 3. The general formula to determine the number of hydrogen atoms for the
hydrocarbon series having a triple bond is -?- .
____________________ 4. The formula for an organic acid contains the functional group -?-.
____________________ 5. The formula for ethane is -?-.
____________________ 6. All organic compounds contain the element -?-.
____________________ 7. For an alkane to have an isomer, there must be at least -?- carbon atoms in the
chain.
____________________ 8. A molecule of propane contains -?- hydrogen atoms.
____________________ 9. The prefix for four carbon atoms is -?-.
_____________________10. The amino group and carboxyl groups are both in a molecule of a/an -?- -?-.
(Hint: It is the monomer for proteins.)
_____________________11. The –OH functional group is found in compounds called -?-.
_____________________12. A double-bonded oxygen and an –OH are bonded onto the same carbon
atom is in compounds called -?-.
_____________________13. Each carbon atom can make -?- covalent bonds.
MULTIPLE CHOICE
______ 1. C5H8 and C3H4 are classified as
A. alkanes
B. alkynes
C. alkenes
D. isomers
______ 2. C2H6 and C3H8 are members of an
A. alkane series
B. alkene series
C. alkyne series
D. alcohol series
______ 3. C3H6 and C8H16 are alike in that they both contain
A. a double bond in the carbon chain
C. only single-bonded carbon atoms
B. a triple bond in the carbon chain
D. a double-bonded hydrogen atom
______ 4. The functional group –NH2 is found in compounds called
A. aldehydes
B. organic acids
C. esters
D. amines
______ 5. An alkane has a general formula of
A. CnH2n
B. CnH2n+2
D. C2n-2Hn
C. C2n+2Hn
______ 6. Compounds with the same composition and different properties are called
A. isotopes
B. isomers
C. functional groups
D. homologs
______ 7. The name for C7H12 is
A. hexyne
C. nonane
D. heptyne
______ 8. Saturated hydrocarbons belong to the series called
A. alkanes
B. alkynes
C. alkones
D. alkenes
______ 9. The name for the ketone functional group is
A. carbonyl
B. hydroxyl
D. phosphate
B. octane
C. carboxyl
Name the compound represented by:
a) H – C≡C – H
H H H H
| | | |
b) H – C – C - C – C – H
| | | |
H H H H
H H
| |
d) H – C = C – C – H
|
|
H
H
H
|
e). H – C – H
|
H
a) ___________________
b) ___________________
c) ___________________
d) ___________________
e) ___________________
H H H H
| | | |
c) H – C – C – C – C = C – H
| | |
|
H H H
H
Answer the following questions
1. What is the general formula for all alkenes? _______________________________
2. What is the general formula for all alkynes? _______________________________
3. Why can there not be a methene or methyne? ______________________________________________
____________________________________________________________________________________
4. What type of bond is found in hydrocarbons? _______________________
5. Hydrocarbons can store a lot of energy because of numerous ________________.