J & K CET Medical J & K - CET Medical Solved Paper-2014

  • question_answer
    Anti-Markownikoff addition of\[HBr\]is observed in

    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 presence of peroxide, addition of\[HBr\]to unsymmetrical double bond is opposite to that of Markownikoffs rule. According to thie effect,\[B{{r}^{-}}\]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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