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Question: Buna-N synthetic rubber is a copolymer of :...

Buna-N synthetic rubber is a copolymer of :

A

H2C=CH-CH=CH2 and H5C6-CH=CH2H_{2}\text{C=CH-CH=C}\text{H}_{2}\text{ and }\text{H}_{5}C_{6}\text{-CH=C}\text{H}_{2}

B

H2C=CH-CN and H2C=CH-CH=CH2H_{2}\text{C=CH-CN and }\text{H}_{2}\text{C=CH-CH=C}\text{H}_{2}

C

H2C=CH-CN and H2C=CH-H_{2}\text{C=CH-CN and }\text{H}_{2}\text{C=CH-}

D

H2C=CH-CH2 and H2C=CH-CH=CH2H_{2}\text{C=CH-C}\text{H}_{2}\text{ and }\text{H}_{2}\text{C=CH-CH=C}\text{H}_{2}

Answer

H2C=CH-CN and H2C=CH-CH=CH2H_{2}\text{C=CH-CN and }\text{H}_{2}\text{C=CH-CH=C}\text{H}_{2}

Explanation

Solution

Buna-N is copolymer of

CH2=CH-CN and CH2=CH-CH=CH2.\text{C}\text{H}_{2}\text{=CH-CN and C}\text{H}_{2}\text{=CH-CH=C}\text{H}_{2}.