ORGANIC CHEMISTRY-PRINT COMPANION (LL)
ORGANIC CHEMISTRY-PRINT COMPANION (LL)
3rd Edition
ISBN: 9781119444251
Author: Klein
Publisher: WILEY
Question
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Chapter 27, Problem 22PP

(a)

Interpretation Introduction

Interpretation:

Chemical structure of the polymer should be drawn and named when given monomer undergoes polymerization.

Concept introduction:

Any polymer can be named by using certain rules given by IUPAC (International Union for Pure and applied chemistry).  Naming of polymer is based on the monomer from which it was derived.

If the monomer contains only one word in the name then no parenthesis is used when naming polymer but if the monomer contains two words means parenthesis is used around the name of monomer.

Monomer with two words=poly(monomer)

Monomer with single word=poly-monomer

(a)

Expert Solution
Check Mark

Answer to Problem 22PP

The polymer is polynitroethylene and the structure is

ORGANIC CHEMISTRY-PRINT COMPANION (LL), Chapter 27, Problem 22PP , additional homework tip  1

Explanation of Solution

To draw and name the polymer when vinyl acetate undergoes polymerization

Draw the structure of nitroethylene

ORGANIC CHEMISTRY-PRINT COMPANION (LL), Chapter 27, Problem 22PP , additional homework tip  2

The structure of nitroethylene is drawn following IUPAC nomenclature.

Polymerization of nitroethylene

ORGANIC CHEMISTRY-PRINT COMPANION (LL), Chapter 27, Problem 22PP , additional homework tip  3

The nitroethylene has a double bond which can involve in polymerization with another nitroethylene which propogates to the other molecules to form a chain where the repeating unit is the monomer unit without a double bond as it is involved in polymerization.  nitroethylene polymerizes to form polynitroethylene

(b)

Interpretation Introduction

Interpretation:

Chemical structure of the polymer should be drawn and named when given monomer undergoes polymerization.

Concept introduction:

Any polymer can be named by using certain rules given by IUPAC (International Union for Pure and applied chemistry).  Naming of polymer is based on the monomer from which it was derived.

If the monomer contains only one word in the name then no parenthesis is used when naming polymer but if the monomer contains two words means parenthesis is used around the name of monomer.

Monomer with two words=poly(monomer)

Monomer with single word=poly-monomer

(b)

Expert Solution
Check Mark

Answer to Problem 22PP

The polymer is polyacrylonitrile and the structure is

ORGANIC CHEMISTRY-PRINT COMPANION (LL), Chapter 27, Problem 22PP , additional homework tip  4

Explanation of Solution

To draw and name the polymer when acrylonitrile undergoes polymerization

Draw the structure of acrylonitrile

ORGANIC CHEMISTRY-PRINT COMPANION (LL), Chapter 27, Problem 22PP , additional homework tip  5

The structure of acrylonitrile is drawn following IUPAC nomenclature.

Polymerization of acrylonitrile

ORGANIC CHEMISTRY-PRINT COMPANION (LL), Chapter 27, Problem 22PP , additional homework tip  6

The acrylonitrile has a double bond which can involve in polymerization with another acrylonitrile which propogates to the other molecules to form a chain where the repeating unit is the monomer unit without a double bond as it is involved in polymerization.  Acrylonitrile polymerizes to form polyacrylonitrile.

(c)

Interpretation Introduction

Interpretation:

Chemical structure of the polymer should be drawn and named when given monomer undergoes polymerization.

Concept introduction:

Any polymer can be named by using certain rules given by IUPAC (International Union for Pure and applied chemistry).  Naming of polymer is based on the monomer from which it was derived.

If the monomer contains only one word in the name then no parenthesis is used when naming polymer but if the monomer contains two words means parenthesis is used around the name of monomer.

Monomer with two words=poly(monomer)

Monomer with single word=poly-monomer

(c)

Expert Solution
Check Mark

Answer to Problem 22PP

The polymer is poly(vinylidene fluoride) and the structure is

ORGANIC CHEMISTRY-PRINT COMPANION (LL), Chapter 27, Problem 22PP , additional homework tip  7

Explanation of Solution

To draw and name the polymer when vinylidene fluoride undergoes polymerization

Draw the structure of vinylidene fluoride

ORGANIC CHEMISTRY-PRINT COMPANION (LL), Chapter 27, Problem 22PP , additional homework tip  8

The structure of vinylidene fluoride is drawn following IUPAC nomenclature.

Polymerization of vinylidene fluoride

ORGANIC CHEMISTRY-PRINT COMPANION (LL), Chapter 27, Problem 22PP , additional homework tip  9

The vinylidene fluoride has a double bond which can involve in polymerization with another vinylidene fluoride  which propogates to the other molecules to form a chain where the repeating unit is the monomer unit without a double bond as it is involved in polymerization.  vinylidene fluoride polymerizes to form poly(vinylidene fluoride).  As this monomer has two words in its name the polymer is named with paranthesis

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