Which is a true statement concerning the transition state of an $S_N2$ reaction?

The reaction of $p-$bromobenzyl chloride with $NaCN$ in ethanol gives:

Identify the products of the given reactions.

The rate of $S_{N}1$ reaction for the given compounds is:

$C_2H_5Cl + KCN$ $\xrightarrow{} X$ $\xrightarrow{\text{Hydrolysis}} Y.$
$X$ and $Y$ are:

Given below are two statements:
Statement $I$: $(Et)_2N-CH_2CH_2Cl$ will undergo alkaline hydrolysis at a faster rate than $(Et)_2CH-CH_2CH_2Cl$.
Statement $II$: Intramolecular substitution takes place first by involving the lone pair of electrons on nitrogen.
In the light of the above statements,choose the most appropriate answer from the options given below: