The major product expected from the mono-bromination of phenyl benzoate is

Which of the following possesses the highest melting point?

Which of the following reasons support that aryl halides are less reactive than alkyl halides towards nucleophilic substitution reactions?
$a)$ The formation of more stable arenium ion
$b)$ Partial double bond character of $C-X$ bond
$c)$ Longer $C-X$ bond
$d)$ $sp^2$ carbon bonded to $X$ is more electronegative

Diphenyls are a potential threat to the environment. How are these produced from aryl halides?

Identify reactant $(A)$ used in the following conversion.
Chlorobenzene $+ A \xrightarrow[anhydrous]{AlCl_3} 2-\text{chloroacetophenone} + 4-\text{chloroacetophenone}$

In the following substitution reaction $:$
Product $P$ formed is $:$