Complete the following reaction.

The reaction exhibits azo-coupling reaction of phenols. Benzene diazonium chloride reacts with phenol in such a manner that the para position of phenol is coupled with diazonium salt to form p-hydroxy azobenzene.

Why is aniline soluble in aqueous HCl ?
Aniline is soluble in aqueous HCl due to formation of ionic anilinium chloride.

Suggest a route by which the following conversion can be accomplished.

Complete conversion can be performed as

Identify A and B in the following reaction.

Complete conversion can be performed as

How will you carry out the following conversions?
(i) Toluene $\longrightarrow \mathrm{p}$-toluidine
(ii) p -toluidine diazonium chloride $\longrightarrow \mathrm{p}$-toluic acid
(i) Conversion of toluene to $p$-toluidine can be done as

(ii) Conversion of p-toluidine diazonium chloride to p-toluic acid can be done as
