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NEET Sample Paper NEET Sample Test Paper-56

  • question_answer
    1-Butyne reacts with cold alkaline \[KMn{{O}_{4}}\] to produce:

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

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

    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] \[C{{H}_{3}}\,{{H}_{2}}OOH+C{{O}_{2}}\] Terminal alkynes on oxidation give a mixture of \[C{{O}_{2}}\] and a carboxylic acid with one C - atom less than that of starling alkyene.


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