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NEET Sample Paper NEET Sample Test Paper-43

  • question_answer
    In the following groups :
    \[-OAc\left( I \right),\]                   \[-OMe\left( II \right),\]
    \[-OS{{O}_{2}}Me\text{ }\left( III \right),\]           \[-OS{{O}_{2}}C{{F}_{3}}\left( IV \right)\]
    the order of leaving group ability is-

    A) \[I>II>III>IV\]

    B)   \[IV>III>I>II\]

    C) \[\text{III}>II>I>IV~\] 

    D) \[\text{II}>III>IV>I\]

    Correct Answer: B

    Solution :

    Leaving tendency \[\propto \,\frac{1}{{{K}_{b}}}\]


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