JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkyne

  • question_answer
    Which of the following reactions will yield 2, 2-dibromopropane [MNR 1993; UPSEAT 2001]

    A) \[HC\equiv CH+2HBr\to \]

    B) \[C{{H}_{3}}C\equiv CH+2HBr\to \]

    C) \[C{{H}_{3}}CH=C{{H}_{2}}+HBr\to \]

    D) \[C{{H}_{3}}CH=CHBr+HBr\to \]

    Correct Answer: B

    Solution :

      \[C{{H}_{3}}C\equiv CH+2HBr\xrightarrow{{}}\underset{Br}{\mathop{\underset{|}{\mathop{\overset{Br}{\mathop{\overset{|}{\mathop{C{{H}_{3}}-C-C{{H}_{3}}}}\,}}\,}}\,}}\,\]


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