Heating chlorobenzene with aqueous $NH_3$ in the presence of $Cu_2Cl_2$ gives ..........

Select the reaction giving the correct major product.

Which of the following is an example of a nucleophilic aromatic substitution reaction?

Arrange the following compounds in decreasing order of their rate of $S_NAr$ reaction:
$(i)$ $p$-nitrochlorobenzene
(ii) $m$-nitrochlorobenzene
(iii) $2,4$-dinitrochlorobenzene
(iv) chlorobenzene
$(v)$ $2,4,6$-trinitrochlorobenzene

The lower reactivity of the chlorine atom in $CH_2 = CH - Cl$ is due to:

Identify $A$ in the following reaction.
$A + \text{chloromethane} \xrightarrow[AlCl_3]{\text{Anhydrous}} 1-\text{chlorotoluene} + 4-\text{chlorotoluene}$