Haryana PMT Haryana PMT Solved Paper-2010

  • question_answer Clemmensens reduction of ketone is carried out in

    A)  \[{{H}_{2}}\] with Pd catalyst

    B)  glycerol with \[KOH\]

    C)  \[LiAl{{H}_{4}}\] with water

    D)   \[Zn-Hg\]with \[HCl\]

    Correct Answer: D

    Solution :

                    Reduction of aldehydes and ketones to their corresponding hydrocarbons in the presence of \[Zn-Hg\] with cone \[HCl\] is known as Clemmensens reduction, eg,\[\underset{acetaldehyde}{\mathop{C{{H}_{3}}CHO}}\,+4[H]\xrightarrow[conc.\,HCl]{Zn/Hg}\underset{etthane}{\mathop{C{{H}_{3}}C{{H}_{3}}}}\,+{{H}_{2}}O\]

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