RAJASTHAN PMT Rajasthan - PMT Solved Paper-1996

  • question_answer
    Ethene and ethyne can be distinguished by the reaction with:

    A)  anhydrous \[ZnC{{l}_{2}}+\] cone. \[{{H}_{2}}S{{O}_{4}}\]

    B)                         dilute alkaline \[KMn{{O}_{4}}\]

    C)                         iodine and \[NaOH\]

    D)                         ammonical cuprous chloride

    Correct Answer: A

    Solution :

    Ethyne react with \[C{{u}_{2}}C{{l}_{2}}\] and formed dimer and trimer. While ethene formed polymer in the presence of \[{{O}_{2}}\].


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