JEE Main & Advanced Sample Paper JEE Main Sample Paper-31

  • question_answer
    The correct acidic strength order is
             

    A) \[a>c>b>d\]      

    B) \[d>c>b>a\]

    C) \[c>a>d>b\]      

    D) \[b>d>c>a\]

    Correct Answer: B

    Solution :

    Since   \[{{k}_{a}}=-S{{O}_{3}}>-COOH\]  & - 1, -m effect of \[-N{{O}_{2}}>-COOH\]


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