A) propene
B) but-2-ene
C) pent-2-ene
D) All of these
Correct Answer: A
Solution :
According to anti-Markownikoff effect, in the ie presence of peroxide, addition of HBr to unsymmetrical double bond is opposite to that of Markownikoff's rule. According to that effect,\[\text{B}{{\text{r}}^{-}}\]ions adds with carbon having more number of H-atoms. \[C{{H}_{3}}-CH=C{{H}_{2}}+HBr\xrightarrow{RooR}C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}Br\]
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