AMU Medical AMU Solved Paper-1999

  • question_answer The compounds that will undergo Cannizzaro reaction are 1. \[C{{H}_{3}}CHO\] 2. \[{{(C{{H}_{3}})}_{3}}CCHO\] 3. \[PhCHO\] 4. \[C{{H}_{3}}COC{{H}_{3}}\]

    A)  1 and 2        

    B)  1 and 3

    C)  2 and 3         

    D)  2 and 4

    Correct Answer: C

    Solution :

    : Aromatic aldehydes and aliphatic aldehydes lacking \[\alpha -\]hydrogens undergo disproportionation (self oxidation - reduction) in the presence of concentrated alkali. This reaction is called Cannizzaros reaction.

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