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
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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
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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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