Question 1

Which one of the following monomers will produce polytetrafluoroethylene?

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 2

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

Accepted Answer

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

Question 3

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

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 4

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

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 5

________ regions in polymers make the polymer flexible.

Accepted Answer

A)  amorphous 
B)  cross linked 
C)  crystalline 
D)  B & C 
E)  none of these 
A)  amorphous 
B)  cross linked 
C)  crystalline 
D)  B & C 
E)  none of these

Question 6

________ regions in polymers make the polymer hard and durable.

Accepted Answer

A)  amorphous 
B)  cross linked 
C)  crystalline 
D)  A & B 
E)  B & C 
A)  amorphous 
B)  cross linked 
C)  crystalline 
D)  A & B 
E)  B & C

Question 7

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

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 8

Free radical polymerization of ethylene results in _______.

Accepted Answer

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

Question 9

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

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 10

Which one of the following monomers will produce polyisoprene?

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 11

Which one of the following is classified as a homopolymer?

Accepted Answer

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

Question 12

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

Accepted Answer

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

Question 13

The melt transition temperature (Tm), is the temperature at which the ________ regions of the polymers become ________.

Accepted Answer

A)  crystalline, amorphous 
B)  amorphous, hard 
C)  crystalline, hard 
D)  non-crystalline, soft 
E)  none of these 
A)  crystalline, amorphous 
B)  amorphous, hard 
C)  crystalline, hard 
D)  non-crystalline, soft 
E)  none of these

Question 14

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

Accepted Answer

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

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

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

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 18

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

Accepted Answer

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

Question 19

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

Accepted Answer

The answer of Draw a possible segment of syndiotactic poly(vinyl...

Question 20

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

Accepted Answer

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

Exam 27: Synthetic Polymers

Which one of the following monomers will produce polytetrafluoroethylene?

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

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

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

________ regions in polymers make the polymer flexible.

________ regions in polymers make the polymer hard and durable.

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

Free radical polymerization of ethylene results in _______.

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

Which one of the following monomers will produce polyisoprene?

Which one of the following is classified as a homopolymer?

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

The melt transition temperature (Tm), is the temperature at which the ________ regions of the polymers become ________.

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

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

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

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

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

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

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

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

The melt transition temperature (T_m), is the temperature at which the regions of the polymers become .