Punjab Medical Punjab - MET Solved Paper-2008

  • question_answer
    Acetylene and \[HCHO\] react in presence of copper acetylide catalyst to form

    A)  1-butyne-1, 4-diol          

    B)  2-butyne-1, 2-diol

    C)  2-butyne-1, 4-diol          

    D)  None of these

    Correct Answer: C

    Solution :

    \[\underset{acetylene}{\mathop{CH\equiv CH}}\,+2HCHO\xrightarrow{copper\,\,acetylide}\]    \[\underset{2butylene-1,\,\,4-diol}{\mathop{C{{H}_{2}}OH-C\equiv C-C{{H}_{2}}OH}}\,\]


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