MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryAlkyl and Aryl HalidesE elimination follows an antiperiplanar structure

Which of the following products will be major if this substrate is subjected to E2 reaction? (a) (b)

C.both in equal proportion

D.not predictable

Explanation

E2 reaction gives Saytzeff product. The bromine will be eliminated from carbon and the hydrogen will be eliminated from Beta-carbon atom. Major product is resonance stabilised alkene

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