MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Organic ChemistryHydrocarbonsPrevious Year Questions

Which of the following can be used as the halide component for Friedel–Crafts reaction? (NEET-II 2016)

A.Chlorobenzene

B.Bromobenzene

C.Chloroethene

D.Isopropyl chloride✓ Correct

Explanation

Friedel-Crafts reaction: Chlorobenzene, bromobenzene and chloroethene are not suitable halide components as C–X bond acquires some double bond character due to resonance of lone pair of electrons with -bond.

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