MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Organic ChemistryHydrocarbonsPreparation of Alkenes

In the reactions, Na/NH Lindlar catalyst + H B RC CR A -> A and B are geometrical isomers. Then

A.A is cis and B is trans

B.A is trans and B is cis✓ Correct

C.A and B are cis

D.A and B are trans

Explanation

cis product is obtained when we use Lindlar's catalyst and trans product is obtained when we use sodium in liquid ammonia as shown. Physical & Chemical Properties of Alkenes

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