Identify product ' $B$ ' in following reaction $\text {Benzonitrile } \xrightarrow[\text { Dry ether }]{\mathrm{C}_6 \mathrm{H}_5 \mathrm{Mgr}} \mathrm{~A} \xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}}$

Question

Identify product ' $B$ ' in following reaction $	ext {Benzonitrile } \xrightarrow[	ext { Dry ether }]{\mathrm{C}_6 \mathrm{H}_5 \mathrm{Mgr}} \mathrm{~A} \xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}}$

Identify product ' $B$ ' in following reaction $\text {Benzonitrile } \xrightarrow[\text { Dry ether…