What is formed when benzoyl chloride reacts with aniline in the presence of sodium hydroxide?

Identify the final product $Z$ in the following reaction sequence:

Identify the medium required for the formation of $p$-Hydroxyazobenzene from benzene diazonium chloride and phenol.

The final major product of the following reaction is:

$A$ solution contains $1 \ g \ mol$ each of $p-$toluene diazonium chloride and $p-$nitrophenyl diazonium chloride. To this,$1 \ g \ mol$ of alkaline solution of phenol is added. Predict the major product and explain your answer.

Which one of the following will give a primary amine on hydrolysis?