Punjab Medical Punjab - MET Solved Paper-2004

  • question_answer
    The aldehyde which react with \[NaOH\] to produce an alcohol and sodium salt is:

    A) \[HCHO\]

    B) \[C{{H}_{3}}CHO\]

    C) \[C{{H}_{3}}C{{H}_{2}}CHO\]

    D) \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}CHO\]

    Correct Answer: A

    Solution :

    Formaldehyde and \[NaOH\] reacts to produce alcohol and sodium salt of an acid. \[\underset{Formaldehyde}{\mathop{2HCHO+NaOH}}\,\xrightarrow{{}}\]\[\underset{Alcohol}{\mathop{C{{H}_{3}}OH}}\,+\underset{\begin{smallmatrix}  Sodium \\  formate \end{smallmatrix}}{\mathop{HCOONa}}\,\] This reaction is Cannizzaros reaction.


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