1.

Which of the following can be used as the halide component for Friedel-Craft's reaction ?

Answer»

Chloroethane
Isopropyl chloride
CHLOROBENZENE
Bromobenzene

Solution :
But in Chlorobenzene, Bromobenzene, Chloroethene LONE PAIR of halogen are delocalised with `pi` bonds, so attain double BOND character.


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