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BHU PMT BHU PMT Solved Paper-2001

  • question_answer
    Which of the following react with\[KMn{{O}_{4}}\]to produce pyruvic acid?

    A)  Butyne                               

    B)  Propyne

    C)  2-pentyne         

    D)  Ethyne

    Correct Answer: B

    Solution :

                     Propyne on oxidation with\[KMn{{O}_{4}}\]produces pyruvic acid. \[C{{H}_{3}}-C\equiv CH\xrightarrow[KMn{{O}_{4}}]{[O]}\underset{Pyruvic\text{ }acid}{\mathop{C{{H}_{3}}-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{C}}\,-COOH}}\,\]


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