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JEE Main & Advanced Chemistry Carboxylic Acids Question Bank Preparation of Carboxylic Acids and Their Derivatives

  • question_answer
    Tertiary alcohols \[(3{}^\circ )\] having atleast four carbon atoms upon drastic oxidation yield carboxylic acid with [MH CET 2004]

    A)                 One carbon atom less   

    B)                 Two carbon atoms less

    C)                 Three carbon atom less                

    D)                 All the above three options are correct

    Correct Answer: B

    Solution :

               Tertiary alcohol are not oxidised easily but on drastic conditions, these oxidise to give first ketone and then acid by losing one carbon at each step \[\begin{matrix}    R  \\    R  \\    R  \\ \end{matrix}\ \ \ \ \_\ >C-OH\xrightarrow{[O]}\begin{matrix}    R  \\    R  \\ \end{matrix}\ \ \ \ >\ C=O\xrightarrow{[O]}R.COOH\]


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