What is the major product $P$ of the following reaction?

The final product $C$,obtained in the following reaction sequence,would be:
$p$-Toluidine $\xrightarrow{Ac_2O} A$ $\xrightarrow{Br_2/CH_3COOH} B$ $\xrightarrow{H_2O/H^+} C$

In the $Hofmann$ bromamide degradation reaction,the number of moles of $NaOH$ and $Br_2$ used per mole of amine produced are:

Which of the following amines will not react with nitrous acid to give nitrogen gas?

Aniline dissolved in dilute $HCl$ is reacted with sodium nitrite at $0\,^oC$. This solution was added dropwise to a solution containing an equimolar mixture of aniline and phenol in dilute $HCl$. The structure of the major product is

Consider the following reaction sequence. The final product $D$ will be:
$C_6H_5CH_3$ $\xrightarrow[\Delta]{KMnO_4/H^+} A$ $\xrightarrow{SOCl_2} B$ $\xrightarrow[\Delta]{NH_3} C$ $\xrightarrow{KOH/Br_2} D$