In the reaction of $p-$chlorotoluene with $KNH_2$ in liquid $NH_3,$ the major product is :

The alkyl halide that does not give a white precipitate with alcoholic $AgNO_3$ solution is ................. .

Trichloroacetaldehyde,$CCl_3CHO$,reacts with chlorobenzene in the presence of sulphuric acid and produces:

$(i)$ chlorobenzene is mono-nitrated to $M$.
$(ii)$ nitrobenzene is mono-chlorinated to $N$.
$(iii)$ anisole is mono-nitrated to $P$.
$(iv)$ $2-$nitrochlorobenzene is mono-nitrated to $Q$.
Out of $M$,$N$,$P$ and $Q$,the compound that undergoes reaction with $aq. NaOH$ fastest is:

Which of the following is not used as an explosive?

What are $Y$ and $Z$ respectively in the following reaction sequence?
Chlorobenzene $\xrightarrow[Conc. H_2SO_4]{HNO_3}$ $X$ (major product) $\xrightarrow{Y}$ $Z$