Question 1

Draw a possible segment of atactic polyacrylonitrile.

Accepted Answer

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

Question 2

Which one of the following is the best classification of an amorphous polymer that is flexible?

Accepted Answer

A) fibers 
B) elastomers 
C) plasticizers 
D) thermoplastics 
E) thermosetting resins 
A) fibers 
B) elastomers 
C) plasticizers 
D) thermoplastics 
E) thermosetting resins

Question 3

Which one of the following is the best classification of crystalline polymers with high tensile strength?

Accepted Answer

A) fibers 
B) elastomers 
C) plasticizers 
D) thermoplastics 
E) thermosetting resins 
A) fibers 
B) elastomers 
C) plasticizers 
D) thermoplastics 
E) thermosetting resins

Question 4

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 5

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 6

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

Accepted Answer

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

Question 7

Which of the following monomer pairs are required to make the following polymer?

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

Question 8

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

Accepted Answer

The answer of Provide the structure of the polymer that...

Question 9

Which of the following monomer(s)are used to prepare the polymer Bakelite?

Accepted Answer

A) phenol & acetaldyde 
B) phenol & formaldyde 
C) phenol & methanol 
D) thermoplastics 
E) none of these 
A) phenol & acetaldyde 
B) phenol & formaldyde 
C) phenol & methanol 
D) thermoplastics 
E) none of these

Question 10

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 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

Which one of the following is the best classification of the polymer Bakelite?

Accepted Answer

A) fibers 
B) elastomers 
C) plasticizers 
D) thermoplastics 
E) thermosetting resins 
A) fibers 
B) elastomers 
C) plasticizers 
D) thermoplastics 
E) thermosetting resins

Question 13

Which of the following are examples of chain growth polymerization?

Accepted Answer

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

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

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 produce...

Question 16

Arrange the following monomers in decreasing order of reactivity towards anionic 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

Question 17

Draw a possible segment of syndiotactic polyacrylonitrile.

Accepted Answer

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

Question 18

Which of the following polymers are hard at room temperature and soft at high temperature?

Accepted Answer

A) fibers 
B) elastomers 
C) plasticizers 
D) thermoplastics 
E) thermosetting resins 
A) fibers 
B) elastomers 
C) plasticizers 
D) thermoplastics 
E) thermosetting resins

Question 19

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

Question 20

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;has the...

Exam 27: Synthetic Polymers

Draw a possible segment of atactic polyacrylonitrile.

Which one of the following is the best classification of an amorphous polymer that is flexible?

Which one of the following is the best classification of crystalline polymers with high tensile strength?

Free radical polymerization of ethylene results in _______.

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

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

Which of the following monomer pairs are required to make the following polymer?

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

Which of the following monomer(s)are used to prepare the polymer Bakelite?

Which of the following best describes the polymer shown below?

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

Which one of the following is the best classification of the polymer Bakelite?

Which of the following are examples of chain growth polymerization?

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

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

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

Draw a possible segment of syndiotactic polyacrylonitrile.

Which of the following polymers are hard at room temperature and soft at high temperature?

Which one of the following is classified as a copolymer?

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

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

Nuclear Magnetic Resonance Spectroscopy

Infrared Spectroscopy and Mass Spectrometry

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

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