Identify $A$ in the following reaction.
$A \text{ (excess)} + \text{Acetyl chloride (excess)}$ $\xrightarrow[AlCl_3]{\text{Anhydrous}} 1-\text{Chloroacetophenone} + 4-\text{Chloroacetophenone}$

Chlorobenzene is:

What is the product $X$ in the following Wurtz-Fittig reaction?

$A$ mixture of $1 \, mol$ of benzene and $1 \, mol$ of nitrobenzene is reacted with $1 \, mol$ of acetyl chloride in the presence of $AlCl_3$. The major product$(s)$ is/are

The correct order of the following compounds showing increasing tendency towards nucleophilic substitution reaction is :-
$(i)$ Chlorobenzene
(ii) $p$-Nitrochlorobenzene
(iii) $2,4$-Dinitrochlorobenzene
(iv) $2,4,6$-Trinitrochlorobenzene

The rate of reaction of $NaOH$ with the following compounds follows the order:
$I$: $1$-fluoro-$2$-nitrobenzene
$II$: $1$-fluoro-$3$-nitrobenzene
$III$: $1$-fluoro-$4$-nitrobenzene