JEE Main & Advanced Chemistry Aldehydes, Ketones Question Bank Properties

  • question_answer
    Aldehydes and ketones can be reduced to hydrocarbon by using                                              [Orissa JEE 2003]

    A)                 \[LiAl{{H}_{4}}\]               

    B)                 \[{{H}_{2}}/Pd-BaS{{O}_{4}}\]

    C)                 \[Na-Hg/HCl\]  

    D)                 \[N{{H}_{2}}-N{{H}_{2}}/{{C}_{2}}{{H}_{5}}ONa\]

    Correct Answer: D

    Solution :

               HI/P/, Zn/Hg/conc. HCl and\[N{{H}_{2}}-N{{H}_{2}}/O{{H}^{-}}/{{C}_{2}}{{H}_{5}}ONa\]                 Used to the reduction of \[-\overset{_{||}^{O}}{\mathop{C}}\,-\]group into \[-C{{H}_{2}}-\] group.


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