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CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2007

  • question_answer
    The reagent used in Clemmensen?s reduction is

    A)  conc.\[{{H}_{2}}S{{O}_{4}}\]     

    B)  Zn?Hg/conc.\[HCl\]

    C)  \[aqKOH~\]                      

    D)  ale. \[KOH\]

    Correct Answer: B

    Solution :

    In Clemmensen's reduction Zn-Hg/conc. \[HCl\]is used. \[\rangle C=O+4H\xrightarrow{Zn-Hg+conc.\,\,HCl\cdot }\rangle C{{H}_{2}}+{{H}_{2}}O\] This method is used to convert carbonyl compound into alkane.


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