Question

`CH_(3)underset(CH_(3))underset(|)(CHCH)=CH_(2)+HBrtoA,A` (predominant is
A. `CH_(3)underset(CH_(3))underset(|)(CHCH)underset(Br)underset(|)CH_(2)`
B. `CH_(3)underset(CH_(3))underset(|)(CHCH_(2)CH_(2)Br`
C. `CH_(3)underset(CH_(3))underset(|)overset(Br)overset(|)C CH_(2)CH_(3)`
D. None of these

Answer 1

Correct Answer - C
`CH_(3) underset(CH_(3))underset(|)(CH)CH=CH_(2) overset(H^(+)) to CH_(3) underset(2^(@)"Carbocation") underset(CH_(3)) underset(|)(CH)overset(+)C HCH_(3) overset(1,2H^(-)"shift") to CH_(3) underset(B) underset(3^(@)"carbocation")underset(CH_(3)) underset(|) overset(+)CH_(2)CH_(3) overset(Br^(-)) toCH_(3) underset(CH_(3)) underset(|) overset(Br) overset(|)C CH_(2)CH_(3)`