J & K CET Engineering J and K - CET Engineering Solved Paper-2012

  • question_answer
    The strongest acid among the choices is

    A)  dichloroacetic acid

    B)  dimethylacetic acid

    C)  trifluoroacetic acid

    D)  triiodoacetic acid

    Correct Answer: C

    Solution :

     The strongest acid among the given choices is  trifluoro acetic acid \[\text{C}{{\text{F}}_{\text{3}}}\text{COOH}\]because of the \[-\text{I}\]effect which is maximum for fluorine as presence of electron withdrawing group increases the acidity of the acid.


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