Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

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

Question 3

The glass transition temperature (Tg), is the temperature at which the ________regions of the polymers become ________.

Accepted Answer

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

Question 4

Which of the following best describe elastomers?

Accepted Answer

A)  polymers that are hard at room temperature 
B)  polymers that return to original shape after being stretched 
C)  small molecules that are added to polymers to increase flexibility 
D)  polymers that can form fibers 
E)  none of these 
A)  polymers that are hard at room temperature 
B)  polymers that return to original shape after being stretched 
C)  small molecules that are added to polymers to increase flexibility 
D)  polymers that can form fibers 
E)  none of these

Question 5

Neoprene used in gaskets, electrical insulation, etc. has the following structure. Provide the structure of the monomer.

Accepted Answer

The answer of Neoprene used in gaskets, electrical insulation, etc....

Question 6

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

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

Which of the following processes is used in the recycling of soft drink bottles made of PET?

Accepted Answer

A)  esterification 
B)  acid hydrolysis 
C)  melting 
D)  B & C 
E)  none of these 
A)  esterification 
B)  acid hydrolysis 
C)  melting 
D)  B & C 
E)  none of these

Question 8

Which of the following are examples of step growth polymerization?

Accepted Answer

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

Question 9

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

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 10

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

Accepted Answer

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

Question 11

The strength of the thermosetting polymers like Bakelite is due to ____________.

Accepted Answer

A)  cross linking 
B)  elastomers 
C)  plasticizers 
D)  thermoplastics 
E)  thermosetting resins 
A)  cross linking 
B)  elastomers 
C)  plasticizers 
D)  thermoplastics 
E)  thermosetting resins

Question 12

Draw a possible segment of isotactic polyacrylonitrile.

Accepted Answer

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

Question 13

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

Accepted Answer

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

Question 14

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 15

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

Accepted Answer

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

Question 16

_________polymerization usually forms living polymers if the process is not terminated by an electrophile.

Accepted Answer

A)  anionic 
B)  cationic 
C)  radical 
D)  A & B 
E)  B & C 
A)  anionic 
B)  cationic 
C)  radical 
D)  A & B 
E)  B & C

Question 17

What is the classification of the following polymer?

Accepted Answer

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

Question 18

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 19

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

Accepted Answer

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

Question 20

Which of the following is a region of an alternate 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

Exam 27: Synthetic Polymers

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

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

The glass transition temperature (Tg), is the temperature at which the ________regions of the polymers become ________.

Which of the following best describe elastomers?

Neoprene used in gaskets, electrical insulation, etc. has the following structure. Provide the structure of the monomer.

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

Which of the following processes is used in the recycling of soft drink bottles made of PET?

Which of the following are examples of step growth polymerization?

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

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

The strength of the thermosetting polymers like Bakelite is due to ____________.

Draw a possible segment of isotactic polyacrylonitrile.

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

Which of the following best describes the polymer shown below?

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

_________polymerization usually forms living polymers if the process is not terminated by an electrophile.

What is the classification of the following polymer?

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

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

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

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 glass transition temperature (T_g), is the temperature at which the regions of the polymers become .

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