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

An organic compound $A$ upon reacting with $NH_3$ gives $B$. On heating $B$ gives $C$. $C$ in presence of $KOH$ reacts with $Br_2$ to give $CH_3CH_2NH_2$. $A$ is:

In an acidic medium,nitrobenzene is reduced to aniline as shown in the following reaction: $C_6H_5-NO_2 + 6[H] \rightarrow C_6H_5-NH_2 + 2H_2O$. Which of the following is used as the reducing agent in this reaction?

Suggest a route by which the following conversion can be accomplished: Cyclohexanecarboxamide to $N$-methylcyclohexanamine.

Which of the following gives a primary amine on reduction?

For the preparation of $p-$nitroiodobenzene from $p-$nitroaniline,the best method is