NEET AIPMT SOLVED PAPER SCREENING 2010

  • question_answer
    Which one of the following compounds has the most acidic nature?

    A)                                                

    B)  

    C)                                                

    D)  

    Correct Answer: B

    Solution :

    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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