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the addition of HBr to an alkene in the ...

the addition of HBr to an alkene in the presence of a peroxide is

A

a nucleophilic addition via an alkyl anoin intermediate

B

an electrophilic addition via an alkyl cation intermediate

C

a free-radical addition via a `beta`-bromo alkyl radical intermediate

D

a free-radical addition via an `alpha`-bromo alkyl radical intermediate

Text Solution

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The correct Answer is:
C
`Br^(*)+H_(2)C=CH-R rarr Brunderset(alpha)(C)H_(2)-underset(beta)overset(*)(C)H-R`
`overset(H-Br)to BrCH_(2)CH_(2)R + Br^(*)rarr`
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