$C_2H_5Br$ $\xrightarrow{AgCN} X$ $\xrightarrow{Reduction} Y$. Here,$Y$ is:

The major product formed in the following reaction is:

Mark the correct statement.

Predict the major product $(A)$ for the following reaction:

Arrange the following in increasing order of their boiling points:
$I.$ $N$-Ethylethanamine
$II.$ Butanamine
$III.$ $N,N$-Dimethylethanamine

The final product $C$,obtained in the following reaction sequence,would be:
$p$-Toluidine $\xrightarrow{Ac_2O} A$ $\xrightarrow{Br_2/CH_3COOH} B$ $\xrightarrow{H_2O/H^+} C$