Aromatic HydrocarbonsHard
Question
The reaction of toluene with chlorine in presence of ferric chloride gives predominantly :
Options
A.benzoyl chloride
B.m-chlorotoluene
C.benzyl chloride
D.o-and p-chlorotoluene
Solution
In presence of Fe, E+ substitution takes place in the ring. Because - CH3 gp. is o/p directing, that is why incoming E+(-Cl+) goes at o/p position . If reaction is carried out in pres ence of sun light then substitution takes place in the side chain giving benzyl chloride.
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