$C_6H_6Cl_6$,on treatment with alcoholic $KOH$,yields

$(i)$ 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 reactions is called the Wurtz-Fittig reaction?

What is the product of the following reaction?

Haloarenes are less reactive than haloalkanes and haloalkenes towards nucleophilic substitution reactions. Explain.

Aryl halides are less reactive towards nucleophilic substitution reactions than alkyl halides because of: