Question 1

Which of the following best describes the polymer shown below?

Accepted Answer

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

Question 2

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

Accepted Answer

The answer of Provide the structure of a region of...

Question 3

Draw a possible segment of atactic polyacrylonitrile.

Accepted Answer

The answer of Draw a possible segment of atactic polyacrylonitrile....

Question 4

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

Accepted Answer

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

Question 5

Which of the following is used as an initiator in cationic polymerization?

Accepted Answer

A)  BF3, H2O 
B)  CH3CH2CH2CH2Li 
C)  ROOR 
D)  NaOH 
E)  none of these 
A)  BF3, H2O 
B)  CH3CH2CH2CH2Li 
C)  ROOR 
D)  NaOH 
E)  none of these

Question 6

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

Accepted Answer

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

Question 7

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

Accepted Answer

The answer of Provide the structure of monomer(s) that would...

Question 8

Which of the following polymers are classified as thermoplastics?

Accepted Answer

A)  PVC 
B)  PET 
C)  LDPE 
D)  HDPE 
E)  all of these 
A)  PVC 
B)  PET 
C)  LDPE 
D)  HDPE 
E)  all of these

Question 9

PET, used to make soft-drink bottles, is classified as a(n) __________.

Accepted Answer

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

Question 10

Which of the following functional groups are common in biodegradable polymers?

Accepted Answer

A)  esters 
B)  amides 
C)  anhydrides 
D)  A & B 
E)  A & C 
A)  esters 
B)  amides 
C)  anhydrides 
D)  A & B 
E)  A & C

Question 11

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

Accepted Answer

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

Question 12

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

Accepted Answer

The answer of Nomex is a synthetic polymer with the...

Question 13

Which of the following polymers are classified as elastomers?

Accepted Answer

A)  spandex 
B)  natural rubber 
C)  HDPE 
D)  A & B 
E)  all of these 
A)  spandex 
B)  natural rubber 
C)  HDPE 
D)  A & B 
E)  all of these

Question 14

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

Accepted Answer

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

Question 15

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

Accepted Answer

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

Question 16

A copolymer is a polymer constructed from ______.

Accepted Answer

A)  a single type of monomer 
B)  two different types of monomers 
C)  many different types of monomers 
D)  a dimer 
E)  B & C 
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 17

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

Accepted Answer

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

Question 18

Addition of _____ to thermoplastics increases flexibility of the polymer.

Accepted Answer

A)  PVC 
B)  plasticizers 
C)  resins 
D)  LDPE 
E)  elastomers 
A)  PVC 
B)  plasticizers 
C)  resins 
D)  LDPE 
E)  elastomers

Question 19

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

Accepted Answer

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

Question 20

Which one of the following is classified as a copolymer?

Accepted Answer

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

Exam 27: Synthetic Polymers

Which of the following best describes the polymer shown below?

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

Draw a possible segment of atactic polyacrylonitrile.

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

Which of the following is used as an initiator in cationic polymerization?

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

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

Which of the following polymers are classified as thermoplastics?

PET, used to make soft-drink bottles, is classified as a(n) __________.

Which of the following functional groups are common in biodegradable polymers?

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

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

Which of the following polymers are classified as elastomers?

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

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

A copolymer is a polymer constructed from ______.

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

Addition of _____ to thermoplastics increases flexibility of the polymer.

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

Which one of the following is classified as a copolymer?

A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

Molecular Representations

Acids and Bases

Alkanes and Cycloalkanes

Stereoisomerism

Chemical Reactivity and Mechanisms

Substitution Reactions

Alkenes: Structure and Preparation Via Elimination Reactions

Addition Reactions of Alkenes

Alkynes

Radical Reactions

Synthesis

Alcohols and Phenols

Ethers and Epoxides; Thiols and Sulfides

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Conjugated Pi Systems and Pericyclic Reactions

Aromatic Compounds

Aromatic Substitution Reactions

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Alpha Carbon Chemistry: Enols and Enolates

Amines

Carbohydrates

Amino Acids, Peptides, and Proteins

Lipids

Filters

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