KVPY Sample Paper KVPY Stream-SX Model Paper-7

  • question_answer
    The correct acidic strength order is

    A) \[X>Z>W>Y\]              

    B)  \[Z>X>Y>W\]

    C) \[W>Z>X>Y\]              

    D) \[X>Z>Y>W\]

    Correct Answer: B

    Solution :

    The acidity of phenols increases strongly due to - I, - m group on their ortho and para positions. But para substituted phenols is more acidic than ortho substituted due to intermolecular hydrogen bonding in the ortho substituted phenol.


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