JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkene

  • question_answer
    \[C{{H}_{3}}-CH=C{{H}_{2}}+HBr\xrightarrow{{}}...........,\] the product formed is [AIIMS 1983; CPMT 1997; RPMT 1999, 2003]

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

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

    C) \[BrC{{H}_{2}}-CH=C{{H}_{2}}\]

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

    Correct Answer: B

    Solution :

    \[C{{H}_{3}}-CH=C{{H}_{2}}+HBr\xrightarrow[\text{Markownikoff}\,\text{rule}]{}\]\[\underset{\text{2}-\text{Bromopropane}}{\mathop{C{{H}_{3}}-\underset{\underset{Br\,\,}{\mathop{|\,\,\,\,\,}}\,}{\mathop{CH}}\,-C{{H}_{3}}}}\,\]


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