Deck 27: Synthetic Polymers

Question 1

Which one of the following is not a biopolymer?

A) amylopectin
B) DNA
C) glycogen
D) chitin
E) none of these

Answer 1

none of these

Question 2

The following polymer is classified as a(an) ________.

A) homopolymer
B) block copolymer
C) graft copolymer
D) alternating copolymer
E) random copolymer

Answer 2

graft copolymer

Question 3

Which one of the following is the correct structure for polystyrene?

A) I
B) II
C) III
D) IV
E) none of these

Answer 3

III

Question 4

The following polymer is classified as a(an) ________.

A) homopolymer
B) block copolymer
C) graft copolymer
D) alternating copolymer
E) random copolymer

Question 5

Which one of the following is classified as a copolymer?

A) saran
B) polyacrylonitrile
C) poly(vinyl bromide)
D) polystyrene
E) none of these

Question 6

Polymers constructed from a single type of monomer are called_______, where as those constructed from two or more different types of monomers are called________.

A) copolymers, homopolymers
B) homopolymers, copolymers
C) block polymers, homopolymers
D) homopolymers, block polymers
E) none of these

Question 7

Which one of the following is the correct structure for poly(vinylidene fluoride)?

A) I
B) II
C) III
D) IV
E) none of these

Question 8

A copolymer is a polymer constructed from ______.

A) a single type of monomer
B) two different types of monomers
C) many different types of monomers
D) a dimer
E) B & C

Question 9

Which one of the following monomers will produce polytetrafluoroethylene?

A) I
B) II
C) III
D) IV
E) none of these

Question 10

A homopolymer is a polymer constructed from ______.

A) a single type of monomer
B) two different types of monomers
C) many different types of monomers
D) a dimer
E) none of these

Question 11

Polymers are comprised of repeating units that are formed by joining _______.

A) tetramers
B) monomers
C) dimers
D) trimers
E) none of these

Question 12

The following polymer is classified as a(an) ________.

A) homopolymer
B) block copolymer
C) graft copolymer
D) alternating copolymer
E) random copolymer

Question 13

Which one of the following monomers will produce polyisoprene?

A) I
B) II
C) III
D) IV
E) none of these

Question 14

Which one of the following is (are) a biopolymer?

A) RNA
B) DNA
C) polysaccharides
D) proteins
E) all of these

Question 15

Which one of the following is classified as a homopolymer?

A) saran
B) viton
C) poly(vinyl bromide)
D) SAN
E) none of these

Question 16

Which one of the following monomers will produce poly(vinyl chloride)?

A) I
B) II
C) III
D) IV
E) none of these

Question 17

Which one of the following is the correct structure for poly(vinyl acetate)?

A) I
B) II
C) III
D) IV
E) none of these

Question 18

Which one of the following monomers will produce polyisobutylene?

A) I
B) II
C) III
D) IV
E) none of these

Question 19

The following polymer is classified as a(an) ________.

A) homopolymer
B) block copolymer
C) graft copolymer
D) alternating copolymer
E) random copolymer

Question 20

Which one of the following is the correct structure for poly(methyl $\alpha$ -cyanoacrylate)?

A) I
B) II
C) III
D) IV
E) none of these

Question 21

Provide a structure of a region of a block copolymer constructed from isobutylene and vinyl fluoride.

Question 22

Which of the following monomers would be most reactive towards anionic polymerization?

A) I
B) II
C) III
D) IV
E) V

Question 23

Which of the following monomer(s) is(are) required to make the polymer below?

A) propene
B) isobutylene
C) isoprene
D) styrene
E) none of these

Question 24

Arrange the following monomers in decreasing order of reactivity towards anionic polymerization?

A) I>III>II
B) II>I>III
C) III>II>I
D) II>III>I
E) III>I>II

Question 25

Polyesters are classified as __________.

A) homopolymers
B) block copolymers
C) graft copolymers
D) alternating copolymers
E) random copolymers

Question 26

Which of the following is a region of a block copolymer constructed from isobutylene and vinyl fluoride?

A) I
B) II
C) III
D) IV
E) none of these

Question 27

Provide a structure of a region of an alternating copolymer constructed from propylene and acrylonitrile.

Question 28

Which of the following is a region of an alternate copolymer constructed from isobutylene and vinyl fluoride?

A) I
B) II
C) III
D) IV
E) none of these

Question 29

Arrange the following monomers in decreasing order of reactivity towards cationic polymerization?

A) I>III>II
B) II>I>III
C) III>II>I
D) II>III>I
E) III>I>II

Question 30

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

Question 31

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

Question 32

Which of the following monomer pairs is required to make the polymer below?

A) propene & isobutylene
B) isoprene & propene
C) ethylene & butene
D) isobutylene & isoprene
E) none of these

Question 33

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

Question 34

Which of the following is a region of a random copolymer constructed from isobutylene and vinyl fluoride?

A) I
B) II
C) III
D) IV
E) none of these

Question 35

Which of the following monomers would be most reactive towards cationic polymerization?

A) I
B) II
C) III
D) IV
E) V

Question 36

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

Question 37

Arrange the following monomers in decreasing order of reactivity towards anionic polymerization?

A) I>III>II
B) II>III>I
C) III>II>I
D) II>I>III
E) III>I>II

Question 38

Which of the following monomer pairs is required to make the polymer below?

A) styrene & acrylonitrile
B) styrene & propylnitrile
C) phenylpropene & acrylonitrile
D) phenylpropene & propylnitrile
E) none of these

Question 39

Which of the following monomer pairs is required to make the polymer below?

A) propene & acrylonitrile
B) isoprene & acrylonitrile
C) ethylene & acrylonitrile
D) isobutylene & acrylonitrile
E) none of these

Question 40

Provide a structure of a region of a random copolymer constructed from ethylene and styrene.

Question 41

Which of the following monomer(s) would undergo anionic polymerization?

A) vinyl acetate
B) acrylonitrile
C) isobutylene
D) vinylidene chloride
E) all of these

Question 42

Provide the structure of monomer(s) that would produce the following condensation polymer.

Question 43

Provide the structure of monomer(s) that would produce the following condensation polymer.

Question 44

Which of the following polymerization processes best describes formation of polyurethanes?

A) step growth addition
B) chain growth addition
C) step growth condensation
D) chain growth condensation
E) none of these

Question 45

Provide the structure of monomer(s) that would produce the following condensation polymer.

Question 46

Which of the following polymers would be best prepared using anionic polymerization?

A) I
B) II
C) III
D) IV
E) none of these

Question 47

_________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

Question 48

Which of the following are examples of chain growth polymerization?

A) radical polymerization
B) cationic polymerization
C) anionic polymerization
D) condensation polymerization
E) A, B & C

Question 49

Which of the following polymerization processes best describes formation of polycarbonates?

A) step growth addition
B) chain growth addition
C) step growth condensation
D) chain growth condensation
E) none of these

Question 50

Nomex is a synthetic polymer with the following structure. Provide the structure(s) of monomer(s) that would produce Nomex.

Question 51

Provide the structure of a region of the polymer that is produced when phosgene is treated with 3,3-dimethyl-1,5-pentanediol.

Question 52

Provide the structure of a region of the polymer that is produced when the following monomers are treated in the presence of dilute NaOH.

Question 53

Which of the following polymers would be best prepared using cationic polymerization?

A) I
B) II
C) III
D) IV
E) none of these

Question 54

Which of the following monomers would produce the condensation polymer below?

A) I
B) II
C) III
D) IV
E) C & D

Question 55

Provide the structure of a region of the polymer that is produced when the following monomers react.

Question 56

Which of the following are examples of step growth polymerization?

A) radical polymerization
B) cationic polymerization
C) anionic polymerization
D) condensation polymerization
E) none of these

Question 57

Which of the following is (are) condensation polymer(s)?

A) nylon 6,6
B) polyisobutylene
C) poly(vinyl chloride)
D) polycarbonate
E) A & D

Question 58

Which of the following monomer(s) would undergo cationic polymerization?

A) vinylidene fluoride
B) acrylonitrile
C) isobutylene
D) vinyl acetate
E) all of these

Question 59

Which of the following monomer(s) would undergo both radical and cationic polymerization?

A) methyl methacrylate
B) acrylonitrile
C) isobutylene
D) vinylidene chloride
E) all of these

Question 60

Which of the following monomers would produce the condensation polymer below?

A) I
B) II
C) III
D) IV
E) C & D

Question 61

Draw a possible segment of syndiotactic poly(vinyl fluoride).

Question 62

Draw a possible segment of syndiotactic polyacrylonitrile.

Question 63

Free radical polymerization of ethylene results in _______.

A) LDPE
B) MDPE
C) HDPE
D) B & C
E) none of these

Question 64

Vulcanization of rubber results in _______ between the neighboring chains of the polymer.

A) hydrogen bonding
B) salt bridges
C) phosphide bridges
D) disulfide bridges
E) none of these

Question 65

Which of the following best describes the polymer shown below?

A) atactic
B) isotactic
C) syndiotactic
D) antidiotactic
E) none of these

Question 66

Draw a possible segment of atactic polyacrylonitrile.

Question 67

Which of the following elements is used during vulcanization of rubber?

A) silicon
B) aluminum
C) sulfur
D) phosphorous
E) none of these

Question 68

_______ polymers are formed under conditions in which the individual monomers react with each other to form oligomers, which are then joined to form polymers.

A) Step growth
B) Chain growth
C) Branched
D) Graft
E) none of these

Question 69

Provide the structure of a region of the polymer that is produced when the following isocyanate is treated with 1,4-butanediol.

Question 70

Which of the following best describes the polymer shown below?

A) atactic
B) isotactic
C) syndiotactic
D) antidiotactic
E) none of these

Question 71

Which of the following statements is (are) true about linear polymers?

A) they are highly branched
B) they may be slightly branched
C) they can have no branching
D) A & B
E) B & C

Question 72

Which of the following types of polyethylene is used to make trash bags?

A) HDPE
B) LDPE
C) MDPE
D) A & C
E) none of these

Question 73

Which of the following best describes the polymer shown below?

A) atactic
B) isotactic
C) syndiotactic
D) antidiotactic
E) none of these

Question 74

Polymerization of ethylene in the presence of a Ziegler-Natta catalyst results in _______.

A) LDPE
B) MDPE
C) HDPE
D) B & C
E) none of these

Question 75

Which of the following types of polyethylene is used to make tupperware?

A) HDPE
B) LDPE
C) MDPE
D) A & C
E) none of these

Question 76

What is the classification of the following polymer?

A) polyester
B) polyamide
C) polyurethane
D) polycarbonate
E) none of these

Question 77

Draw a possible segment of isotactic polyacrylonitrile.

Question 78

Which of the following polymerization processes best describes formation of polyisobutylene?

A) step growth addition
B) chain growth addition
C) step growth condensation
D) chain growth condensation
E) none of these

Question 79

Draw a possible segment of isotactic poly(vinyl acetate).

Question 80

Provide the monomer(s) that would produce the following polymer?