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Q.
Nitration of benzene is:
Bihar CECEBihar CECE 2005Hydrocarbons
Solution:
During nitration benzene ring is attacked by $NO _{2}^{+}$and hydrogen of benzene ring is replaced by $NO _{2}$ group.
$\therefore $ Nitration of benzene is electrophilic substitution because $NO _{2}{ }^{+}$is an electrophile.