Q. In Friedel-Craft's synthesis of toluene, the reactants in addition to anhydrous $AlCl_3$ are
AIPMTAIPMT 2000Hydrocarbons
Solution:
Friedel-Craft's alkylation of benzene $(Ar-H)$
Mechanism of this reaction is represented as follows :
Step I
$CH _{3} Cl + AlCl _{3} \longrightarrow \underset{\text { Electrophilie }}{\overset{+}{ CH _{3}}}+ AlCl _{4}^{-}$
Thus, $C _{6} H _{6}$ and $CH _{3} Cl$ are required in addition to $AlCl _{3}$.
