The starting material that produces pentanamine by the Hoffmann bromamide reaction is

What is formed when $RCN$ is treated with sodium and alcohol?

Identify the product in the reaction: $CH_3NO_2 \xrightarrow{Sn/HCl} (?)$

The reaction of chlorobenzene with $NH_3$ in the presence of $Cu_2O$ in a xylene solvent at $570 \, K$ yields which of the following products?

An organic compound $A$ on reaction with $NH_{3}$ followed by heating gives compound $B$. Which on further strong heating gives compound $C$ $(C_{8}H_{5}NO_{2})$. Compound $C$ on sequential reaction with ethanolic $KOH$,alkyl chloride and hydrolysis with alkali gives a primary amine. The compound $A$ 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?