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


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

E) B) and C)
F) C) and D)

Correct Answer

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Which of the following is the monomer that gives the polymer shown below? Which of the following is the monomer that gives the polymer shown below? A) A B) B C) C D) D Which of the following is the monomer that gives the polymer shown below? A) A B) B C) C D) D


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

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

Correct Answer

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What type of polymer is Spandex?


A) HDPE
B) Polyurethane
C) Polycarbonate
D) Polyamide

E) All of the above
F) A) and C)

Correct Answer

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Which of the following best describes the polymer chain shown below? Which of the following best describes the polymer chain shown below? A) Atactic polypropylene B) Isotactic polypropylene C) Syndiotactic polypropylene D) Cross-linked polypropylene


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

E) A) and B)
F) B) and D)

Correct Answer

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Which of the following is used to make Teflon?


A) Fluoroethene
B) 1,1,4,4-Tetrafluorobutadiene
C) 1,2-Difluoroethene
D) Tetrafluoroethylene

E) A) and C)
F) A) and B)

Correct Answer

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Which of the following sets of products results if nylon 66 is treated with sulfuric acid? Which of the following sets of products results if nylon 66 is treated with sulfuric acid? A) A B) B C) C D) D


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

E) A) and B)
F) All of the above

Correct Answer

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Which of the following monomers is used to make the polymer carbowax,shown below? Which of the following monomers is used to make the polymer carbowax,shown below? A) A B) B C) C D) D


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

E) B) and C)
F) A) and B)

Correct Answer

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


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

E) A) and B)
F) None of the above

Correct Answer

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What type of polymer is Nylon?


A) Epoxy
B) Polyurethane
C) Polycarbonate
D) Polyamide

E) B) and D)
F) None of the above

Correct Answer

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


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

E) B) and C)
F) A) and D)

Correct Answer

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What is the purpose of plasticizers?


A) To harden plastics
B) To soften plastics
C) To initiate polymerizations
D) To cross-link polymer chains

E) A) and B)
F) A) and C)

Correct Answer

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What is the classification of the following polymer in which X and Y represent repeating units? What is the classification of the following polymer in which X and Y represent repeating units? A) Block copolymer B) Homopolymer C) Alternating copolymer D) Random copolymer


A) Block copolymer
B) Homopolymer
C) Alternating copolymer
D) Random copolymer

E) B) and C)
F) B) and D)

Correct Answer

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


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

E) All of the above
F) A) and B)

Correct Answer

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Which of the following best describes the polymer chain shown below? Which of the following best describes the polymer chain shown below? A) Atactic polypropylene B) Isotactic polypropylene C) Syndiotactic polypropylene D) Cross-linked polypropylene


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

E) None of the above
F) A) and B)

Correct Answer

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Identify the repeating unit in the polymer formed from the following reaction sequence. Identify the repeating unit in the polymer formed from the following reaction sequence. A) A B) B C) C D) D


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

E) All of the above
F) A) and B)

Correct Answer

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What type of polymer is Lexan?


A) Epoxy
B) Polyurethane
C) Polycarbonate
D) Polyamide

E) B) and C)
F) C) and D)

Correct Answer

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The monomer used to make superglue is shown below.Which of the following methods of polymerization is most suitable for this type of monomer? The monomer used to make superglue is shown below.Which of the following methods of polymerization is most suitable for this type of monomer? 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

E) A) and C)
F) A) and B)

Correct Answer

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Which monomer and which type of initiator would you use to synthesize the following polymer? Which monomer and which type of initiator would you use to synthesize the following polymer? A) A B) B C) C D) D E) E


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

F) B) and C)
G) A) and E)

Correct Answer

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What are the structures of the three monomers needed to synthesize the following polymer? What are the structures of the three monomers needed to synthesize the following polymer? A) I B) II C) III D) IV What are the structures of the three monomers needed to synthesize the following polymer? A) I B) II C) III D) IV


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

E) A) and B)
F) All of the above

Correct Answer

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


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

E) A) and D)
F) B) and D)

Correct Answer

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