JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkyne

  • question_answer
    Which of the following give \[{{H}_{2}}\]gas with Na [RPMT 2002]

    A) \[C{{H}_{4}}\]

    B) \[{{C}_{2}}{{H}_{6}}\]

    C) \[{{C}_{2}}{{H}_{4}}\]

    D) \[{{C}_{2}}{{H}_{2}}\]

    Correct Answer: D

    Solution :

     \[CH\equiv CH+2Na\xrightarrow{Liq.\,N{{H}_{3}}}C.Na\equiv C.Na+{{H}_{2}}\]


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