Question 1

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 IIIE) B) and C)
F) A) and B)

Question 2

Which of the following monomers yields the polymer shown below?

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) B) and C)
F) All of the above

Question 3

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-butanediolE) B) and C)
F) A) and D)

Question 4

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

Accepted Answer

A)  Homopolymers
B)  Copolymers
C)  Block polymers
D)  Random polymersE) C) and D)
F) B) and D)

Question 5

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.E) None of the above
F) All of the above

Question 6

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 IIE) C) and D)
F) A) and B) D

Question 7

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=CHCNE) A) and B)
F) A) and C) D

Question 8

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, TiCl4E) None of the above
F) All of the above

Question 9

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

Accepted Answer

A)  I
B)  II
C)  III
D)  IVE) A) and C)
F) B) and C)

Question 10

What is the structure of the polymer which results when styrene is reacted with BF3 and H2O?
3 and H2O?   A) A B) B C) C D) D" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) All of the above
F) A) and C)

Question 11

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 polymersE) None of the above
F) All of the above

Question 12

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-growthE) A) and B)
F) B) and D)

Question 13

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

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) None of the above
F) C) and D) D

Question 14

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)  DE) C) and D)
F) B) and C)

Question 15

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

Accepted Answer

A)  Benzoyl peroxide
B)  CH3CH2CH2CH2Li
C)  BF3
D)  Al(CH2CH3) 3, TiCl4E) A) and B)
F) None of the above

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 plasticizerE) None of the above
F) B) and C)

Question 17

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)  ThermoplasticsE) A) and B)
F) A) and D)

Question 18

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

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) All of the above
F) A) and C)

Question 19

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=CHCNE) A) and B)
F) B) and D)

Question 20

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 ethanolE) All of the above
F) C) and D)

Exam 30: Synthetic Polymers

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

Correct AnswerverifiedShow Answer

Which of the following monomers yields the polymer shown below?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedD

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

Correct AnswerverifiedD

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

Correct AnswerverifiedD

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

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

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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.)

Correct AnswerverifiedShow Answer

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

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

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

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

Correct AnswerverifiedShow Answer

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D

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D

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

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D

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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.)

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