JEE Main & Advanced Chemistry Aldehydes, Ketones Question Bank Preparation

  • question_answer
    Ketones are prepared by

    A)                 Clemmensen's reduction            

    B)                 Cannizzaro reaction

    C)                 Rosenmund's reduction               

    D)                 Oppenaur's oxidation

    Correct Answer: D

    Solution :

               \[\underset{\text{Isopropyl}\,\,\text{alcohol}}{\mathop{\begin{matrix}    R  \\    R  \\ \end{matrix}>CH-OH}}\,\underset{\text{Aluminium}\,\,\text{ter}\,\,\text{butoxide}}{\mathop{\xrightarrow{\begin{smallmatrix}   \\  {{\text{ }\!\![\!\!\text{ (C}{{\text{H}}_{\text{3}}}{{)}_{3}}CO]}_{3}}Al \end{smallmatrix}}}}\,\underset{\text{Ketone}}{\mathop{\begin{matrix}    R  \\    R  \\ \end{matrix}>C=O}}\,\]


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