In the reaction of $\mathrm{p}-\mathrm{chlorotoluene}$ with ${\mathrm{KNH}}_2$ in liquid ${\mathrm{NH}}_3$, the major product is

Identify the relation among the rates of following nucleophilic substitution reactions?

The rates of reaction of $\mathrm{NaOH}$ with:

follow the order:-

The product in the above reaction is

The correct order of the following compounds showing increasing tendency towards nucleophilic substitution reaction is:

The major product of the following reaction is