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846 Chapter 27
Copyright © 2017 Pearson Education, Inc.
Chapter 27 Practice Test
1.
Draw a short segment of the polymer obtained from each of the following monomers.
In each case, tell whether it is a chain-growth polymer or a step-growth polymer.
a.
CH
2
CHCOOH
c.
CH
2
CCl
2
b.
HO(CH
2
)
5
COH
O
d.
ClC(CH
2
)
4
CCl
O O
+
H
2
N(CH
2
)
4
NH
2
2.
Draw the structure of the monomer or monomers used to synthesize the following polymers. In each case,
tell whether the polymer is a chain-growth polymer or a step-growth polymer.
a.
CH
2
CH
CH
3
c.
CH
2
CHO
CH
3
b.
CH
2
C
2
CH
3
CHCH
d.
OCH
2
CH
2
CH
2
CH
2
C
O
3.
Draw short segments of the polymers obtained from the following compounds under the given reaction
conditions.
a.
CH
2
CH
C
N
CH
3
CH
2
CH
2
CH
2
Li
b.
CH
2
CH
C O
CH
3
BF
3
, H
2
O
c.
H
2
C
2
CH
3
O
CH
3
O
–
CHCH
4.
Explain why CH
2
“
CCl
2
does not form an isotactic, syndiotactic, or atactic polymer.