JEE Main & Advanced Sample Paper JEE Main - Mock Test - 2

  • question_answer
    Which of the following does not undergo easy decarboxylation?

    A) \[MeCOC{{H}_{2}}COOH\]    

    B) \[{{O}_{2}}N-COOH\]

    C) \[C{{l}_{3}}C-COOH\]   

    D) \[{{F}_{3}}C-COC{{H}_{2}}COOH\]

    Correct Answer: D

    Solution :

    [d] (1) \[\beta -keto\,\,acid\] (2) and (3) EWG at \[\beta \] (4) \[\beta -keto\,\,acid\] with EWG. It retards the decarboxylation.


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