Q. Acetylene reacts with $HCN$ in the presence of $Ba(CN)_{2}$ to yield
A) 1,1-dicyanoethane
B) 1,2-dicyanoethane
C) Vinyl cyanide
D) None of these
Explanation
(c)
This is electrophilic addition of $HCN$ molecular across $C \equiv C$ in presence of vinyl cyanide.
$CH$
$|||$
$CH + HCN\overset{Ba(CN)_{2}}{\rightarrow}CH_{2}$
$||$
$CHCN$
Vinyl cyanide
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.