Chapter Twenty Seven
1.
Which one of the following is not a biopolymer?
A)
amylopectin
B)
DNA
C)
glycogen
D)
chitin
E)
none of these
Ans:
E
2.
Which one of the following monomers will produce polyisobutylene?
C C
H
H CH2CH3
H
C C
H
H CH3
CH3
C C
H3C
H CH3
H
C C
H
H CH2CH3
H
III III IV
A)
I
B)
II
C)
III
D)
IV
E)
none of these
Ans:
B
3.
Which one of the following monomers will produce poly(vinyl chloride)?
C C
H
H Cl
H
C C
H
H CH2Cl
H
C C
H
H CH3
Cl
C C
Cl
H CH3
H
III III IV
A)
I
B)
II
C)
III
D)
IV
E)
none of these
4.
Which one of the following monomers will produce polyisoprene?
III III IV
A)
I
B)
II
C)
III
D)
IV
E)
none of these
Ans:
B
Ans:
A
5.
Which one of the following is the correct structure for polystyrene?
III III IV
C C
CH3
H
H
Ph
n
C C
H
H
H
CN
n
C C
H
H
H
Ph
n
C C
H
H
CH3
CH3
n
A)
I
B)
II
C)
III
D)
IV
E)
none of these
6.
Which one of the following is the correct structure for poly(vinylidine fluoride)?
III III IV
C C
F
F
F
F
C C
H
H
H
F
C C
H
F
H
F
C C
H
H
F
F
n n n n
A)
I
B)
II
C)
III
D)
IV
E)
none of these
Ans:
D
Ans:
C
7.
Which one of the following is the correct structure for poly(vinyl acetate)?
III III IV
C C
H
H
H
O
C C
H
H
H
CCH3
nn
C
O
H3CO
C C
CH3
H
H
CCH3
O
n
C C
CH3
H
H
O
n
C
O
H3C
A)
I
B)
II
C)
III
D)
IV
E)
none of these
8.
Which one of the following is classified as a homopolymer?
A)
saran
B)
viton
C)
poly(vinyl bromide)
D)
SAN
E)
none of these
Ans:
C
9.
Which one of the following is classified as a copolymer?
A)
saran
B)
polyacrylonitrile
C)
poly(vinyl bromide)
D)
polystyrene
E)
none of these
Ans:
A
Ans:
A
10.
The following polymer is classified as a(an) ________.
A A AA B BB B
A)
homopolymer
B)
block copolymer
C)
graft copolymer
D)
alternating copolymer
E)
random copolymer
11.
The following polymer is classified as a(an) ________.
A B AB B AA B
A)
homopolymer
B)
block copolymer
C)
graft copolymer
D)
alternating copolymer
E)
random copolymer
Ans:
D
12.
The following polymer is classified as a(an) ________.
A A AB B BA B
A)
homopolymer
B)
block copolymer
C)
graft copolymer
D)
alternating copolymer
E)
random copolymer
Ans:
E
Ans:
B
13.
Polymers with single monomers are called_______, where as those with two or more
different monomers are called________.
A)
copolymers, homopolymers
B)
homopolymers, copolymers
C)
block polymers, homopolymers
D)
homopolymers, block polymers
E)
none of these
14.
Provide a structure of a block copolymer constructed from isobutylene and vinyl
fluoride.
15.
Provide a structure of an alternating copolymer constructed from propylene and
acrylonitrile.
16.
PET, used to make soft-drink bottles, is classified as a(n) __________.
A)
homopolymer
B)
block copolymer
C)
graft copolymer
D)
alternating copolymer
E)
random copolymer
Ans:
D
Ans:
B
17.
Polyesters are classified as as __________.
A)
homopolymers
B)
block copolymers
C)
graft copolymers
D)
alternating copolymers
E)
random copolymers
18.
Which of the following monomer(s) is(are) required to make the following polymer?
C C C C C C C C
H
H
CH3
CH3
H
H
CH3
CH3
H
H
CH3
CH3
H
H
CH3
CH3
A)
propene
B)
isobutylene
C)
isoprene
D)
styrene
E)
none of these
Ans:
B
19.
Which of the following monomer pairs are required to make the following polymer?
C C C C
H
H
CH3
CH3
H
H
H
CN
n
A)
propene & acrylonitrile
B)
isoprene & acrylonitrile
C)
ethylene & acrylonitrile
D)
isobutylene & acrylonitrile
E)
none of these
Ans:
D
Ans:
D
20.
Which of the following is used as an initiator in radical polymerization?
A)
BF3, H2O
B)
CH3CH2CH2CH2Li
C)
ROOR
D)
NaOH
E)
none of these
Ans:
C
21.
Which of the following is used as an initiator in cationic polymerization?
A)
BF3, H2O
B)
CH3CH2CH2CH2Li
C)
ROOR
D)
NaOH
E)
none of these
Ans:
A
22.
Which of the following is used as an initiator in anionic polymerization?
A)
BF3, H2O
B)
CH3CH2CH2CH2Li
C)
ROOR
D)
H2SO4
E)
none of these
Ans:
B
23.
Which of the following monomers would be most reactive towards cationic
polymerization?
OCH3CN C
O
H
CF3NO2
III III IV V
A)
I
B)
II
C)
III
D)
IV
E)
V
24.
Which of the following monomers would be most reactive towards anionic
polymerization?
OCH3CN O
C
NH2
III III IV V
O
A)
I
B)
II
C)
III
D)
IV
E)
V
Ans:
B
Ans:
A
25.
Arrange the following monomers in decreasing order of reactivity towards cationic
polymerization?
CO
C
NH2
III III
O
O
H
A)
I>III>II
B)
II>I>III
C)
III>II>I
D)
II>III>I
E)
III>I>II
26.
Arrange the following monomers in decreasing order of reactivity towards anionic
polymerization?
OCH3CF3
III III
A)
I>III>II
B)
II>III>I
C)
III>II>I
D)
II>I>III
E)
III>I>II
Ans:
B
Ans:
D
27.
Arrange the following monomers in decreasing order of reactivity towards anionic
polymerization?
NH2CO
III III
C
O
O
A)
I>III>II
B)
II>I>III
C)
III>II>I
D)
II>III>I
E)
III>I>II
28.
Which of the following monomer(s) would undergo cationic polymerization?
A)
vinylidine fluoride
B)
acrylonitrile
C)
isobutylene
D)
vinyl acetate
E)
all of these
Ans:
C & D
29.
Which of the following monomer(s) would undergo anionic polymerization?
A)
vinyl acetate
B)
acrylonitrile
C)
isobutylene
D)
vinylidine chloride
E)
all of these
Ans:
B & D
Ans:
D
30.
Which of the following monomer(s) would undergo both radical and cationic
polymerization?
A)
methylmethacrylate
B)
acrylonitrile
C)
isobutylene
D)
vinylidine chloride
E)
all of these
31.
Which of the following polymers would be best prepared using cationic polymerization?
III III IV
C C
H
H
H
O
C
O
H3C
C C
H
H
H
NO2
C C
CH3
H
H
CCH3
O
C C
H
H
F
F
nnnn
A)
I
B)
II
C)
III
D)
IV
E)
none of these
Ans:
A
Ans:
C
32.
Which of the following polymers would be best prepared using anionic polymerization?
III III IV
C C
H
H
H
O
C
O
H3C
C C
H
H
H
H
C C
CH3
H
H
CCH3
O
C C
H
H
H
CH3
nnnn
A)
I
B)
II
C)
III
D)
IV
E)
none of these
33.
_________polymerization usually forms living polymers if the process is not terminated
by an electrophile.
A)
anionic
B)
cationic
C)
radical
D)
A & B
E)
B & C
Ans:
A
34.
Which of the following is (are) condensation polymer(s)?
A)
nylon 6,6
B)
polyisobutylene
C)
poly(vinyl chloride)
D)
polycarbonate
E)
A & D
Ans:
E
Ans:
C
35.
Provide the structure of monomer(s) that would produce the following condensation
polymer.
CC
O
OCH2CH2CH2O
O
C
O
C
O
OCH2CH2CH2O
36.
Provide the structure of the polymer that is produced when the following monomers
react.
HOCH2CH2CH2CH2OH
O
OCH3
H3CO
O
+
37.
Which of the following monomers would produce the condensation polymer below?
N
H
H
N
O
O
N
H
O
H
N
O
O
NH
O
NH
O
NH
O
III III
O
NH2
O
IV
A)
I
B)
II
C)
III
D)
IV
E)
C & D
38.
Which of the following monomers would produce the condensation polymer below?
O O
O O
O
O
O
O O
O
O
O
O
O
O
III III
O
OH
O
IV
A)
I
B)
II
C)
III
D)
IV
E)
C & D
Ans:
A
Ans:
C
39.
Nomex is a synthetic polymer with the following structure. Provide the structure(s) of
monomer(s) that would produce Nomex.
N
H
N
H
O
N
H
O
N
H
OO
40.
Provide the structure of monomer(s) that would produce the following condensation
polymer?
O
O
O O
O
O O
O
O
O
41.
Provide the structure of monomer(s) that would produce the following condensation
polymer?
O O O
O O
O O
O
O