ORGANIC CHEMISTRY WILEYPLUS ACCESS>I<
ORGANIC CHEMISTRY WILEYPLUS ACCESS>I<
4th Edition
ISBN: 9781119850151
Author: Klein
Publisher: WILEY
Question
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Chapter 27, Problem 41PP

(a)

Interpretation Introduction

Interpretation:

Syndiotactic poly (vinyl chloride) segments need to be drawn.

Concept introduction:

If the polymer formed has chiral centers then with the relative configuration of the chiral centers the polymers can be classified as isotactic, Syndiotactic or atactic.  When monosubstituted ethylenes are used as monomer the polymer formed has huge number of chiral centers.  Isotactic means all the chiral center has the same configuration.  Syndiotactic means the chiral centers has alternating configuration.  Atactic means the chiral centers are in random arrangement.

ORGANIC CHEMISTRY WILEYPLUS ACCESS>I<, Chapter 27, Problem 41PP , additional homework tip  1

(b)

Interpretation Introduction

Interpretation:

Isotactic polystyrene segments need to be drawn.

Concept introduction:

If the polymer formed has chiral centers then with the relative configuration of the chiral centers the polymers can be classified as isotactic, Syndiotactic or atactic.  When monosubstituted ethylenes are used as monomer the polymer formed has huge number of chiral centers.  Isotactic means all the chiral center has the same configuration.  Syndiotactic means the chiral centers has alternating configuration.  Atactic means the chiral centers are in random arrangement.

ORGANIC CHEMISTRY WILEYPLUS ACCESS>I<, Chapter 27, Problem 41PP , additional homework tip  2

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