MEDIUMMCQ SINGLEJEE Mains ChemistryOrganic ChemistryHydrocarbonsPhysical & Chemical Properties of Alkenes

Anti-Markownikoff’s rule addition reaction is not observed in

A.pent-2-ene

B.but-2-ene✓ Correct

C.1-butene

D.propene

Explanation

But-2-ene is a symmetrical alkene. Therefore the addition of HBr on it gives the same product as major and minor identical to Markownikoff’s product. 3 3 3 2 3 3 2 3 CH CH CH CH HBr CH CHBr CH CH CH CH CHBr CH ->

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