BCECE Medical BCECE Medical Solved Papers-2007

  • question_answer
    Clemmensens reduction of ketones is carried out in

    A)  \[LiAl{{H}_{4}}\] in \[{{H}_{2}}O\]

    B)  glycol and \[KOH\]

    C)  Zn-Hg and \[HCl\]

    D)  \[{{H}_{2}}\] and Pd catalyst

    Correct Answer: C

    Solution :

    Reduction of \[>C=O\] compounds to alkanes (\[>C{{H}_{2}}\] group) by Zn-Hg and \[HCl\] is known as Clemmensen reduction. \[>C=O\xrightarrow[[4H]]{Zn-Hg/HCl}>C{{H}_{2}}+{{H}_{2}}O\]


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