RAJASTHAN PMT Rajasthan - PMT Solved Paper-1998

  • question_answer
    The correct order of strength of Lewis bases is:

    A)  \[{{F}^{-}}>O{{H}^{-}}>C{{H}_{3}}^{-}>N{{H}_{2}}^{-}\]

    B)                         \[NH_{2}^{-}>CH_{3}^{-}>O{{H}^{-}}>{{F}^{-}}\]

    C)                         \[O{{H}^{-}}>C{{H}_{3}}^{-}>N{{H}_{2}}^{-}>{{F}^{-}}\]

    D)                         \[C{{H}_{3}}^{-}>NH_{2}^{-}>O{{H}^{-}}>{{F}^{-}}\]

    Correct Answer: D

    Solution :

    The correct order of strength of Lewis base is \[C{{H}_{3}}^{-}>NH_{2}^{-}>O{{H}^{-}}>{{F}^{-}}\]


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