Which of the following is not used in the Friedel-Crafts reaction?

$C_{6}H_{6} + CH_{3}Cl \xrightarrow{\text{Anhy. } AlCl_{3}} C_{6}H_{5}CH_{3} + HCl$
The name of the above reaction is:

In the following reaction,the compound $(X)$ is ............ .

Which of the following reactions does not result in the chlorination of benzene?

The product $(P)$ will be

Arrange the following compounds in increasing order of their dipole moment:
$(I)$ Toluene
$(II)$ $m$-Dichlorobenzene
$(III)$ $o$-Dichlorobenzene
$(IV)$ $p$-Dichlorobenzene