In Friedel-Crafts alkylation,the other suitable substance used with $AlCl_3$ is..........

$ArH + R - C(=O) - Cl \xrightarrow{\text{Lewis acid}} Ar - C(=O) - R + HCl$ is an example of

Benzene reacts with chlorine in sunlight to give a final product.

Match the following reactions in List-$I$ with their corresponding products in List-$II$:
List-$I$ (Reaction):
$A$. $\text{Benzene} + Cl_2 \xrightarrow{AlCl_3}$
$B$. $\text{Benzene} + CH_3Cl \xrightarrow{\text{anhyd. } AlCl_3}$
$C$. $\text{Benzene} + R-CO-Cl \xrightarrow{\text{anhyd. } AlCl_3}$
$D$. $\text{Toluene} \xrightarrow{(i) KMnO_4/KOH, (ii) H_3O^+}$
List-$II$ (Product):
$I$. $\text{Benzoic acid}$
$II$. $\text{Alkyl phenyl ketone}$
$III$. $\text{Chlorobenzene}$
$IV$. $\text{Toluene}$

Identify the compound $(X)$ in the following reaction:
[Image of $1,3$-dinitrobenzene reacting with $HNO_3 + H_2SO_4$ to form $(X)$]
Compound $(X)$ is:

Benzene reacts with $CH_3COCl$ in the presence of $AlCl_3$ to give