What is the product formed when ethylamine is oxidized with acidic $KMnO_4$?

The correct order of basicity for the labeled nitrogen atoms in the given structure is:

The product of the reaction is:

In the given chemical reaction $CH_3CH_2NH_2 + CHCl_3 + 3KOH \rightarrow X + Y + 3H_2O$,what are $X$ and $Y$ respectively?

The colour of $p$-amino azobenzene is

The major product $(R)$ of the following reaction is:
Aniline $\xrightarrow[{pyridine}]{{CH_3COCl}}$ $P$ $\xrightarrow[{CH_3COOH}]{{Br_2}}$ $Q$ $\xrightarrow{{{H_3O^{+}}}}$ $R$