NEET Chemistry NEET PYQ-Carboxylic Acids

  • question_answer
    Which one of the following compounds has the most acidic nature?       [AIPMT (S) 2010]

    A)

    B)  

    C)  

    D) None of these

    Correct Answer: D

    Solution :

    [d] Key Idea Presence of electron withdrawing substituent increases the acidity while electron releasing substituent when present decreases the acidity.       
    Phenyl is an electron withdrawing substituent while\[-\text{C}{{\text{H}}_{\text{3}}}\]is an electron releasing substituent. Moreover peroxide ion is more resonance   stabilized   as   compared   to benzyl oxide ion thus releases proton more easily. That's why is a strong acid among the given.


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