JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkyne

  • question_answer
    What happens when a mixture of acetylene an hydrogen is passed over heated Lindlar?s catalyst [Kerala PMT 2004; AIIMS 1987]

    A) Ethane and water are formed

    B) Ethylene is formed

    C) Acetylene and ethane are formed

    D) None of these

    Correct Answer: B

    Solution :

    \[\underset{\text{Acetylene}}{\mathop{CH\equiv CH+{{H}_{2}}}}\,\underset{\text{pd}\text{. }BaS{{O}_{\text{4}}}}{\mathop{\underset{\text{Catalyst}}{\mathop{\xrightarrow{\text{Lindlar}}}}\,}}\,\,\,\,\underset{\text{Ethylene}}{\mathop{C{{H}_{2}}=C{{H}_{2}}}}\,\]


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