NCERT Class XII Chemistry <br> Chapter - Polymers <br> Questions with Solutions

NCERT Class XII Chemistry
Chapter - Polymers
Questions with Solutions

Question : 17

Total: 26

Write the names and structures of the monomers of the following polymers :
(i) Buna-S
(ii) Buna-N
(iii) Dacron
(iv) Neoprene.

Solution:

Polymers

Monomers

Name

Structure

Buna-S

(i) Styrene
(ii) Buta-1, 3-diene

C6H5CH=CH2
CH2=CHCH=CH2

Buna-N

(i) Acrylonitrile
(ii) Buta-1, 3-diene

CH2=CH—CN
CH2=CHCH=CH2

Dacron

(i) Ethylene glycol
(ii) Terephthalic acid

HOCH2=CH2OH

Neoprene

Chloroprene

CH2=

−CH=CH2

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