Question: Which of the following reaction takes place at cathode in electro chemical manufacture of adiponitrile from acrylonitrile?
Options
A : H2O ?2H++frac{1}{2} O2+ 2e–
B : 2CH2=CHCN+2H2 O+2e–?NC – (CH2)4 – CN
C : 2CH2=CHCN+2H2 O+2e–?NC – (CH2)4 – CN+2OH–
D : 2CH2=CHCN+2H2 O?NC – (CH2)4 – CN+frac{1}{2} O2
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