(b)
Nitromethane forms methyl hydroxylamine on reduction in netural medium with $Zn/NH_{4}CI$.
$CH_{3}NO_{2} + 4\lbrack H\rbrack\underset{\mathrm{\Delta}}{\overset{Zn/{NH}_{4}CI}{\rightarrow}}CH_{3}NHOH + H_{2}O$
Nitromethane N-methyl hydroxyl
amine