JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkyne

  • question_answer
    1-butyne reacts with cold alkaline \[KMn{{O}_{4}}\] to produce [AIIMS 1997]

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

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

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

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

    Correct Answer: C

    Solution :

      \[C{{H}_{3}}-C{{H}_{2}}-C\equiv CH\underset{\text{alk}\text{.}\,\,KMn{{O}_{4}}}{\mathop{\xrightarrow{\text{Cold}\,}}}\,C{{H}_{3}}C{{H}_{2}}COOH+C{{O}_{2}}\]


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