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

Identify the major product of the following reaction: $C_6H_5Cl + Br_2 \xrightarrow{\text{Anhyd. } FeCl_3} ?$

Identify the major product of the following reaction: $C_6H_5-NO_2 + CH_3-COCl \xrightarrow{AlCl_3} \text{Major product}$

Identify the products $A$ and $E$ in the following reaction sequence:

The reaction of toluene with $Cl_2$ in the presence of $FeCl_3$ gives predominantly

The decreasing order of reactivity of the given compounds towards nucleophilic substitution with aqueous $NaOH$ is:
$(I)$ $1$-bromo-$3$-nitrobenzene
$(II)$ $1$-bromo-$2,4,6$-trinitrobenzene
$(III)$ $1$-bromo-$4$-nitrobenzene
$(IV)$ $1$-bromo-$2,4$-dinitrobenzene