$N$-Ethylphthalimide on hydrolysis gives:

Identify $X$ and $Y$ in the following reactions:
$X \xrightarrow{H_2/Ni} CH_3CH_2CH_2NH_2 \xleftarrow{Br_2/NaOH} Y$

Which of the following reactions are used in the preparation of aliphatic primary amines?
$I$. Gabriel-phthalimide reaction
$II$. Hoffmann Bromamide reaction
$III$. Carbylamine reaction
$IV$. Sandmeyer reaction

Aniline is not the major product in one of the following reactions. Identify that reaction.

What are $X$ and $Y$ respectively in the following reactions?

Identify the product $B$ in the following reaction: $CH_3Br \xrightarrow{KCN} A \xrightarrow{Na / C_2H_5OH} B$