Hydrocarbons Question 122

Question: Addition of HCN to ethyne in presence of $ Ba{{(CN)}_2} $ as catalyst gives [AFMC 1991]

Options:

A) 1, 1-dicyano ethane

B) Ethyl cyanide

C) Vinyl cyanide

D) Divinyl cyanide

Show Answer

Answer:

Correct Answer: C

Solution:

$ CH\equiv CH+HCN\xrightarrow{Ba{{(CN)}_2}}\underset{\text{Vinyl cyanide}}{\mathop{CH_2=CH-C\equiv N}} $