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CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2003

  • question_answer
    Identify the organic compound which, on heating with strong solution of \[NaOH\], partly converted into an acid salt and partly into alcohol :

    A)  Benzyl alcohol

    B)  Acetaldehyde

    C)  Acetone                             

    D)  Benzaldehyde

    Correct Answer: D

    Solution :

    Benzaldehyde lacks a-hydrogen atom, hence undergo Cannizzaro reaction in which it disproportionate into benzyl alcohol and sodium benzoate. \[2{{C}_{6}}{{H}_{5}}CHO\xrightarrow{cone.\text{ }NaOH}{{C}_{6}}{{H}_{5}}\,.\,C{{H}_{2}}OH\] \[+\,{{C}_{6}}{{H}_{5}}COOK\]


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