JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkyne

  • question_answer
    The product(s) obtained via oxymercuration \[(HgS{{O}_{4}}+{{H}_{2}}S{{O}_{4}})\] of 1-butyne would be [IIT-JEE 1999]

    A) \[\overset{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O}{\mathop{\overset{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||}{\mathop{C{{H}_{3}}-C{{H}_{2}}-C-C{{H}_{3}}}}\,}}\,\]

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

    C) \[C{{H}_{3}}-C{{H}_{2}}-CHO+HCHO\]

    D) \[C{{H}_{3}}C{{H}_{2}}COOH+HCOOH\]

    Correct Answer: A

    Solution :

     \[C{{H}_{3}}-C{{H}_{2}}-C\equiv CH\underset{{{H}_{2}}S{{O}_{4}}}{\mathop{\xrightarrow{HgS{{O}_{4}},{{60}^{o}}C}}}\,C{{H}_{3}}-C{{H}_{2}}-\overset{|\overset{O}{\mathop{|}}\,}{\mathop{C}}\,-C{{H}_{3}}\]


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