CET Karnataka Medical CET - Karnataka Medical Solved Paper-2005

  • question_answer
    Benzyl alcohol and sodium benzoate is obtained by the action of sodium hydroxide on  benzaldehyde.  This reaction is known as:

    A)  Perkins reaction

    B)  Cannizaros reaction

    C)  Sandmeyers reaction

    D)  Claisen condensation

    Correct Answer: B

    Solution :

    \[2{{C}_{6}}{{H}_{5}}CHO\xrightarrow[Cannizaros]{NaOH}{{C}_{6}}{{H}_{5}}C{{H}_{2}}OH\] \[+{{C}_{6}}{{H}_{5}}COONa\] This reaction is given by aldehydes which do not have a-hydrogen atom.


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