AIIMS AIIMS Solved Paper-2014

  • question_answer
    Butyne-1 on oxidation with hot alkaline \[KMn{{O}_{4}}\] would give

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

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

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

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

    Correct Answer: D

    Solution :

                    \[C{{H}_{3}}C{{H}_{2}}C\equiv CH+3[O]+{{H}_{2}}O\xrightarrow[KMn{{O}_{4}}]{Hot}\] \[C{{H}_{3}}C{{H}_{2}}COOH+[HCOOH]\xrightarrow{{}}C{{O}_{2}}+{{H}_{2}}O\]


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