VIT Engineering VIT Engineering Solved Paper-2008

  • question_answer
    Cannizaro reaction is given by

    A)  \[HCHO\]

    B)  

    C)  

    D)  \[C{{H}_{3}}C{{H}_{2}}OH\]

    Correct Answer: A

    Solution :

     Aldehyde, having no cc-hydrogen atom, undergo Cannizaro reaction in which two molecules of the aldehyde are involved, one molecule   being   converted   into   the corresponding alcohol, and the other into the acid. The usual reagent for the Cannizaro reaction is aqueous or ethanolic alkali \[2HCHO+NaOH\xrightarrow{{}}HCCOONa+C{{H}_{3}}OH\]


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