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Question

Chemistry Question on Polymers

Buna-NN synthetic rubber is a copolymer of

A

B

H2C=CHCH=CH2H_2C=CH-CH=CH_2 and H5C6CH=CH2H_5C_6-CH=CH_2

C

H2C=CHCNH_2C=CH-CN and H2C=CHCH=CH2H_2C=CH-CH=CH_2

D

Answer

H2C=CHCNH_2C=CH-CN and H2C=CHCH=CH2H_2C=CH-CH=CH_2

Explanation

Solution

Buna-N is a co-polymer of butadiene and acrylonitrile.

Copolymerisation is a type of polymerisation reaction that involves more than one type of monomer. Buna-N is one such polymer that is formed by copolymerisation. Buna−N is a synthetic rubber copolymer that is made up of 1,3−Butadiene (H2​C=CH – CH=CH2​) and acrylonitrile (H2​C=CH– CN). The synthesis is given below: