Organic Chemistry, 9e Wade

Organic Chemistry, 9e (Wade) Chapter 26 Synthetic Polymers 1) ________ polymers result from rapid reaction of one molecule at a time with a growing polymer chain, usually with a reactive intermediate at the growing end of the chain.

• Addition
• Condensation
• Step-growth
• Amorphous

Answer: A

Diff: 1

Section: 26.1

LO: 26.1

2) ________ polymers result from polymerization reactions in which chain growth is accompanied by loss of a small molecule.

• Addition
• Condensation
• Chain-growth
• Latex

Answer: B

Diff: 1

Section: 26.1

LO: 26.1

3) The monomer shown below, 1,1-bistrifluoromethylethylene, undergoes polymerization via:

• anionic polymerization
• cationic polymerization
• radical polymerization
• chain-growth polymerization

Answer: A

Diff: 1

Section: 26.2

LO: 26.3

GO: G5

Test Bank For Organic Chemistry 9th Edition By Leroy Wade, Jan Simek (All Chapters 1-26, Arranged Reverse 26-1) There is No Test Bank for Chapter 9.1

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4) Which of the following is the best initiator for a free-radical polymerization?

• BuLi
• PhOH
• (PhCO2)2

D) CH3CH(OCH3)2

E) BF3

Answer: C

Diff: 1

Section: 26.2

LO: 26.3

5) Which of the following is the best initiator for a cationic polymerization?

• BuLi
• PhOH
• (PhCO2)2

D) CH3CH(OCH3)2

E) BF3

Answer: E

Diff: 1

Section: 26.2

LO: 26.3

6) Which of the following is the best initiator for an anionic polymerization?

• BuLi
• PhOH
• (PhCO2)2

D) CH3CH(OCH3)2

E) BF3

Answer: A

Diff: 1

Section: 26.2

LO: 26.3

7) Provide the structure of the monomer from which polypropylene is formed.

Answer: H2CCHCH3

Diff: 1

Section: 26.2

LO: 26.1

2

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8) Plexiglas is a:

• polyamide.
• polyester.
• polycarbonate.
• polyurethane.
• none of the above

Answer: E

Diff: 1

Section: 26.2

9) From which of the following are water pipes commonly manufactured?

• poly(methyl α-cyanoacrylate)
• polyurethane
• poly(acrylonitrile)
• poly(vinyl chloride)
• poly(isobutylene)

Answer: D

Diff: 1

Section: 26.2

10) What is the carbon : hydrogen mole ratio in polyethylene?

A) 12:1

B) 1:2

C) 1:3

D) 3:2

E) 1:100

Answer: B

Diff: 2

Section: 26.2

11) "Super" glues are typically composed of what polymer?

• poly(acrylonitrile)
• poly(methyl α-cyanoacrylate)
• polystyrene
• polypropylene
• poly(methyl α-methylacrylate)

Answer: B

Diff: 2

Section: 26.2

3

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12) Is the polymer shown an addition polymer or a condensation polymer?

Answer: addition polymer

Diff: 2

Section: 26.2

LO: 26.1

13) Ethylene oxide can be polymerized to form Carbowax. What conditions are best for the polymerization of ethylene oxide?

• anionic
• cationic
• free-radical
• carbene
• none of the above

Answer: A

Diff: 2

Section: 26.2

LO: 26.3

14) Which of the following is not an addition polymer?

• polyethylene
• Orlon
• Plexiglas
• Kevlar
• Teflon

Answer: D

Diff: 2

Section: 26.2

LO: 26.1

15) Which of the following monomers is most well-suited to cationic polymerization?

• isobutylene
• ethylene
• acrylonitrile
• methyl α-methacrylate
• methyl α-cyanoacrylate

Answer: A

Diff: 2

Section: 26.2

LO: 26.3

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