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Question

Chemistry Question on Polymers

Buna-NN synthetic rubber is obtained by copolymerisation of

A

CH2=CHCH=CH2 CH_{2}=CH-CH=CH_{2} and H5C6CH=CH2H_{5}C_{6}-CH=CH_{2}

B

CH2=CHCNCH_{2}=CH-CN and H2C=CHCH=CH2H_{2}C=CH-CH=CH_{2}

C

H2C=CHCNH_{2}C=CH-CN and CH2=CHC(CH3)=CH2CH_{2}=CH-C(CH_{3})=CH_{2}

D

H2C=CHC(Cl)=CH2H_{2}C=CH-C(Cl)=CH_{2} and H2C=CHCH=CH2 H_{2}C=CH-CH=CH_{2}

Answer

CH2=CHCNCH_{2}=CH-CN and H2C=CHCH=CH2H_{2}C=CH-CH=CH_{2}

Explanation

Solution

Buna-N. is obtained by copolymerisation of 1,3 -butadiene and acrylonitrile in the presence of a peroxide catalyst.

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