BCECE Medical BCECE Medical Solved Papers-2005

  • question_answer
    Which is Lewis base: \[{{I}_{2}}+{{I}^{-}}\xrightarrow{{}}{{I}_{3}}^{-}?\]

    A)  \[{{I}_{2}}\]             

    B)  \[{{I}_{3}}^{-}\]

    C)  \[{{I}^{-}}\]

    D)  None of these

    Correct Answer: C

    Solution :

    Key Idea: Electron donors are Lewis base. In the reaction \[{{I}_{2}}+{{I}^{-}}\xrightarrow{{}}{{I}^{3-}},{{I}^{-}}\] donates a pair of electron and 12 accepts it to form \[{{I}^{3-}}\] \[\therefore \] \[{{I}^{-}}\] is Lewis base.


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