Question 1

Which of the following is (are) addition polymer(s)?
I.polypropylene
II.Teflon
III.nylon

Accepted Answer

A) Only I 
B) Only II 
C) Only III 
D) Both I and II 
A) Only I 
B) Only II 
C) Only III 
D) Both I and II D

Question 2

Which one of the following monomers undergoes anionic polymerization most readily?

Accepted Answer

A) H2C=CH2 
B) H2C=CHCH3 
C) H2C=C(CH3)2 
D) H2C=CHCN 
A) H2C=CH2 
B) H2C=CHCH3 
C) H2C=C(CH3)2 
D) H2C=CHCN D

Question 3

Which of the following is the monomer that gives the polymer shown below?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D D

Question 4

The repeating unit of a polymer is shown below.This polymer is formed by

Accepted Answer

A) addition of ethylene. 
B) addition of trans-2-butene. 
C) 1,2 addition of butadiene. 
D) 1,4 addition of butadiene. 
A) addition of ethylene. 
B) addition of trans-2-butene. 
C) 1,2 addition of butadiene. 
D) 1,4 addition of butadiene.

Question 5

Which type of polymerization process uses benzoyl peroxide (or other peroxides) as an initiator?

Accepted Answer

A) Free-radical chain-growth 
B) Cationic chain-growth 
C) Anionic chain-growth 
D) Acid-catalyzed step-growth 
A) Free-radical chain-growth 
B) Cationic chain-growth 
C) Anionic chain-growth 
D) Acid-catalyzed step-growth

Question 6

What are the structures of the three monomers needed to synthesize the following polymer?

Accepted Answer

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

Question 7

What monomer(s) would be used to make the polyester shown below?

Accepted Answer

A) Butanedioic acid 
B) 4-Hydroxybutanal 
C) 4-Hydroxybutanoic acid 
D) Butanedioic acid and 1,4-butanediol 
A) Butanedioic acid 
B) 4-Hydroxybutanal 
C) 4-Hydroxybutanoic acid 
D) Butanedioic acid and 1,4-butanediol

Question 8

Which of the following initiators is used to make isotactic polypropylene?

Accepted Answer

A) Benzoyl peroxide 
B) CH3CH2CH2CH2Li 
C) BF3 
D) Al(CH2CH3)3, TiCl4 
A) Benzoyl peroxide 
B) CH3CH2CH2CH2Li 
C) BF3 
D) Al(CH2CH3)3, TiCl4

Question 9

Which of the following initiators can be used for free radical chain-growth polymerization?

Accepted Answer

A) Benzoyl peroxide 
B) CH3CH2CH2CH2Li 
C) BF3 
D) Al(CH2CH3)3, TiCl4 
A) Benzoyl peroxide 
B) CH3CH2CH2CH2Li 
C) BF3 
D) Al(CH2CH3)3, TiCl4

Question 10

Which of the following monomers yields the polymer shown below?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 11

What is the name given to polymers with two or more different monomers?

Accepted Answer

A) Homopolymers 
B) Copolymers 
C) Block polymers 
D) Random polymers 
A) Homopolymers 
B) Copolymers 
C) Block polymers 
D) Random polymers

Question 12

What is the structure of the polymer which results when styrene is reacted with BF3 and H2O?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 13

Which one of the following monomers undergoes cationic polymerization most readily?

Accepted Answer

A) H2C=CH2 
B) H2C=CHCH3 
C) H2C=C(CH3)2 
D) H2C=CHCN 
A) H2C=CH2 
B) H2C=CHCH3 
C) H2C=C(CH3)2 
D) H2C=CHCN

Question 14

What is the name given to polymers that soften when heated and harden when cooled?

Accepted Answer

A) Cross-linked polymers 
B) Copolymers 
C) Thermosetting polymers 
D) Thermoplastics 
A) Cross-linked polymers 
B) Copolymers 
C) Thermosetting polymers 
D) Thermoplastics

Question 15

Which of the following is (are) condensation polymer(s)?
I.polypropylene
II.Teflon
III.nylon

Accepted Answer

A) Only I 
B) Only II 
C) Only III 
D) Both II and III 
A) Only I 
B) Only II 
C) Only III 
D) Both II and III

Question 16

What modification occurs when a small amount of p-divinylbenzene is added to the polymerization reaction of styrene to form polystyrene? (Recall that the vinyl group is -CH=CH2.)

Accepted Answer

A) Cross-linking of the polystyrene 
B) Isotactic stereochemistry of the polystyrene 
C) Syndiotactic stereochemistry of the polystyrene 
D) "Softening" of the polystyrene by a plasticizer 
A) Cross-linking of the polystyrene 
B) Isotactic stereochemistry of the polystyrene 
C) Syndiotactic stereochemistry of the polystyrene 
D) "Softening" of the polystyrene by a plasticizer

Question 17

Which of the following monomers is used to make the polymer carbowax, shown below?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 18

In which type of polymer are the chains packed less tightly together, resulting in lower melting points and a softer texture?

Accepted Answer

A) Isotactic polymers 
B) Syndiotactic polymers 
C) Atactic polymers 
D) Cross-linked polymers 
A) Isotactic polymers 
B) Syndiotactic polymers 
C) Atactic polymers 
D) Cross-linked polymers

Question 19

Identify the monomer(s) needed to make the following polyester.

Accepted Answer

A) 3-Hydroxybutanoic acid 
B) Butanedioic acid 
C) Butanedioic acid and ethylene glycol 
D) Butanedioic acid and ethanol 
A) 3-Hydroxybutanoic acid 
B) Butanedioic acid 
C) Butanedioic acid and ethylene glycol 
D) Butanedioic acid and ethanol

Question 20

Which of the following is the repeating unit of the polymer formed in the polymerization reaction shown below?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Exam 30: Synthetic Polymers

Which of the following is (are) addition polymer(s)? I.polypropylene II.Teflon III.nylon

Which one of the following monomers undergoes anionic polymerization most readily?

Which of the following is the monomer that gives the polymer shown below?

The repeating unit of a polymer is shown below.This polymer is formed by

Which type of polymerization process uses benzoyl peroxide (or other peroxides) as an initiator?

What are the structures of the three monomers needed to synthesize the following polymer?

What monomer(s) would be used to make the polyester shown below?

Which of the following initiators is used to make isotactic polypropylene?

Which of the following initiators can be used for free radical chain-growth polymerization?

Which of the following monomers yields the polymer shown below?

What is the name given to polymers with two or more different monomers?

What is the structure of the polymer which results when styrene is reacted with BF3 and H2O?

Which one of the following monomers undergoes cationic polymerization most readily?

What is the name given to polymers that soften when heated and harden when cooled?

Which of the following is (are) condensation polymer(s)? I.polypropylene II.Teflon III.nylon

What modification occurs when a small amount of p-divinylbenzene is added to the polymerization reaction of styrene to form polystyrene? (Recall that the vinyl group is -CH=CH2.)

Which of the following monomers is used to make the polymer carbowax, shown below?

In which type of polymer are the chains packed less tightly together, resulting in lower melting points and a softer texture?

Identify the monomer(s) needed to make the following polyester.

Which of the following is the repeating unit of the polymer formed in the polymerization reaction shown below?

Structure and Bonding

Acids and Bases

Introduction to Organic Molecules and Functional Groups

Alkanes

Stereochemistry

Understanding Organic Reactions

Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Elimination Reactions

Alcohols, Ethers, and Related Compounds

Alkenes

Alkynes

Oxidation and Reduction

Mass Spectrometry and Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Radical Reactions

Conjugation, Resonance, and Dienes

Benzene and Aromatic Compounds

Reactions of Aromatic Compounds

Carboxylic Acids and the Acidity of the O-H Bond

Introduction to Carbonyl Chemistry;

Aldehydes and Ketones Nucleophilic Addition

Carboxylic Acids and Derivatives

Substitution Reactions of Carbonyl Compounds at the Alpha-Carbon

Carbonyl Condensation Reactions

Amines

Carbon-Carbon Bond Forming Reactions in Organic Synthesis

Pericyclic Reactions

Carbohydrates

Amino Acids and Proteins

Lipids

Filters

What is the structure of the polymer which results when styrene is reacted with BF₃ and H₂O?

What modification occurs when a small amount of p-divinylbenzene is added to the polymerization reaction of styrene to form polystyrene? (Recall that the vinyl group is -CH=CH₂.)