JCECE Engineering JCECE Engineering Solved Paper-2007

  • question_answer
    Propyne and propene can be distinguished by

    A)  \[dil.\,\,KMn{{O}_{4}}\]

    B)  \[conc.\,\,{{H}_{2}}S{{O}_{4}}\]

    C)  \[AgN{{O}_{3}}\] in ammonia

    D)   \[B{{r}_{2}}\]in\[CC{{l}_{4}}\]

    Correct Answer: C

    Solution :

    Propyne and propene can be distinguished by \[AgN{{O}_{3}}\] in ammonia. Propyne gives a white precipitate with ammoniacal silver nitrate while propene has no effect on ammoniacal\[AgN{{O}_{3}}\].


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