JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkene

  • question_answer
    Markownikoff's rule provides guidance of addition of HBr on [MNR 1994]

    A) \[C{{H}_{2}}=C{{H}_{2}}\]

    B) \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{3}}\]

    C) \[C{{H}_{3}}CH=CHC{{H}_{3}}\]

    D) \[C{{H}_{2}}=CHBr\]

    Correct Answer: D

    Solution :

    \[C{{H}_{2}}=CH-Br\xrightarrow{HBr}C{{H}_{3}}-CH<\begin{matrix}    Br  \\    Br  \\ \end{matrix}\]   According to Markownikoff?s rule H atom or positive part goes to that carbon atom which is more hydrogenated.


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