Q. Reactive species in halogenation of benzene in cold and dark
A) $Cl^{\bullet}$
B) $Cl^{+}$
C) $Cl^{-}$
D) None of these
Explanation
(b)
Halogenation of benzene in cold and dark is carried by electrophilic substitution. In this reaction, $Cl^{+}$ electrophile takes part in the reaction.
[image:13_image220.emf]
$AlCl_{3} + Cl - Cl \longrightarrow Cl^{+} + AlCl_{4}^{-}$
electrophile
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.