7. When asymmetric alkenes polymerize (such as chloroethene to produce PVC), the pendant group likechlorine can be arranged in different ways. An arrangement in which the -Cl groups are arranged onthe same side of the polymer chain is called a(n) ,a. Atacticb. Isotacticarrangement.c. Syndiotacticd. Sporadic8. Kevlar is a type of polymer which has a great resistance to tear. Its application includes its use in makingbulletproof vests and radial tires. The two monomers used to make Kevlar are the following:HHH-O-c-0-HH-N--N-HMonomer OneMonomer TwoWhen these two monomers joina. A molecule of CO2 will be eliminated and an ester linkage will formb. Nothing will be eliminated and the two monomers will be linked through a hydrogen to hydrogenbondc. A water molecule will be eliminated and a peptide linkage will be formedd. Nothing will be eliminated. The two monomers will be linked by a carbon-carbon bond.

Sporadic arrangement is the random arrangement of the polymeric chains / branches . Where Atactic…

7. When asymmetric alkenes polymerize (such as chloroethene to produce PVC), the pendant group like chlorine can be arranged in different ways. An arrangement in which the -Cl groups are arranged on the same side of the polymer chain is called a(n) . a. Atactic arrangement. b. Isotactic c. Syndiotactic d. Sporadic

7. When asymmetric alkenes polymerize (such as chloroethene to produce PVC), the pendant group like chlorine can be arranged in different ways. An arrangement in which the -Cl groups are arranged on the same side of the polymer chain is called a(n) . a. Atactic arrangement. b. Isotactic c. Syndiotactic d. Sporadic

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter23: Organic Polymers, Natural And Synthetic

Section: Chapter Questions

Problem 48QAP

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Types of Polymers on the basis of Method of Preparation

Question

7. When asymmetric alkenes polymerize (such as chloroethene to produce PVC), the pendant group like
chlorine can be arranged in different ways. An arrangement in which the -Cl groups are arranged on
the same side of the polymer chain is called a(n) ,
a. Atactic
b. Isotactic
arrangement.
c. Syndiotactic
d. Sporadic
8. Kevlar is a type of polymer which has a great resistance to tear. Its application includes its use in making
bulletproof vests and radial tires. The two monomers used to make Kevlar are the following:
H
H
H-O-
c-0-H
H-N-
-N-H
Monomer One
Monomer Two
When these two monomers join
a. A molecule of CO2 will be eliminated and an ester linkage will form
b. Nothing will be eliminated and the two monomers will be linked through a hydrogen to hydrogen
bond
c. A water molecule will be eliminated and a peptide linkage will be formed
d. Nothing will be eliminated. The two monomers will be linked by a carbon-carbon bond.

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