The product $(A)$ is:

The product of the reaction of nitrobenzene with $Zn$ and $NH_4Cl$ is:

The correct order of decreasing basic strength of the given amines is:

Yellow dye can be prepared by a coupling reaction of benzene diazonium chloride in acidic medium with $X$. Identify $X$ from the following.

The amine which does not react with chloroform and ethanolic potassium hydroxide is

The compound $X$ $(C_7H_9N)$ reacts with benzenesulfonyl chloride to give $Y$ $(C_{13}H_{13}NO_2S)$ which is insoluble in alkali. The compound $X$ is