Reaction of SO3 easier in
Electrophilic substitution of toluene is much faster in comparison to benzene.
The –CH3 group is an electron donating group and activates the benzene ring towards electrophilic aromatic substitution.
-Cl, -NO2 are electron withdrawing substituents and deactivate the benzene ring towards the electrophilic substitution.
Correct answer is toluene.
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