The conversion of benzene to toluene is carried out by .........

What is the characteristic chemical reaction of benzene?

The major product of the reaction is

What is the correct order of reactivity towards electrophilic substitution reaction for the following compounds?

The compound '$A$' with molecular formula $C_8H_{10}$ (aromatic) which gives $1$ mononitro substituted product and $3$ dinitro substituted products is:

Alkyl groups are $o-$ and $p-$ directing due to ..........