Identify the product obtained when bromoethane is heated with excess of alcoholic ammonia under pressure.

The major product '$P$' for the following sequence of reactions is:

In the reaction sequence $CH_3CONH_2$ $\xrightarrow{?} CH_3CN$ $\xrightarrow{\text{reduction}} CH_3CH_2NH_2$,which dehydrating agent is used in the first step?

Identify the product obtained when nitroethane is treated with $Sn/HCl$ under ideal conditions.

Amides may be converted into amines by a reaction named after:

Identify $A$ and $B$ in the following reaction.