The nitration of benzene is:
Nucleophilic substitution
Nucleophilic addition
Electrophilic substitution
Free radical substitution
Toluene reacts with a halogen in the presence of iron (III) chloride giving ortho and para halo compounds. The reaction is
(a) electrophilic elimination reaction
(b) electrophilic substitution reaction
(c) free radical addition reaction
(d) nucleophilic substitution reaction
The reaction:
is classified as :
(a) electrophilic substitution (b) nucleophilic substitution
(c) elimination (d) addition