Question

Buna-$N$ synthetic rubber is obtained by copolymerisation of

• A. $ CH_{2}=CH-CH=CH_{2}$ and $H_{5}C_{6}-CH=CH_{2}$
• B. $CH_{2}=CH-CN$ and $H_{2}C=CH-CH=CH_{2}$
• C. $H_{2}C=CH-CN$ and $CH_{2}=CH-C(CH_{3})=CH_{2}$
• D. $H_{2}C=CH-C(Cl)=CH_{2}$ and $ H_{2}C=CH-CH=CH_{2}$

Answer 1

Answer: (B)

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