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3-Phenylpropene on reaction with HBr giv...

`3`-Phenylpropene on reaction with `HBr` gives (as major product)

A

`C_(6)H_(5)CH_(2)CH(Br)CH_(3)`

B

`C_(6)H_(5)CH(Br)CH_(2)CH_(3)`

C

`C_(6)H_(5)CH_(2)CH_(2)CH_(2)Br`

D

`C_(6)H_(5)CH(Br)CH=CH_(2).`

Text Solution

Verified by Experts

The correct Answer is:
B
According to Markownikoff's rule, the negative part of the unsymmetrical reagent adds to less hydrogenated (more substituted) carbon atom of the double bond.
`C_(6)H_(5)CH=CH-CH_(3)+Hbrrarroverset(Br)overset(|)(C_(6)H_(5)CHCH_(2)CH_(3)`
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