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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2002

  • question_answer
    In this reaction, \[{{I}_{2}}+{{I}^{-}}\xrightarrow{{}}{{I}_{3}}^{\bigcirc -}\]Lewis base is:

    A)  \[{{I}_{2}}\]            

    B)  \[{{I}^{\bigcirc -}}\]

    C)  \[{{I}_{3}}^{\bigcirc -}\]           

    D)  none of these

    Correct Answer: B

    Solution :

    Lewis bases are the substances which are capable of donating an electron pair. Hence, in the reaction,                 \[{{I}_{2}}+{{I}^{-}}\xrightarrow{{}}I_{3}^{-}\] \[{{I}^{-}}\] having an unshared pair of electron acts as a Lewis base.


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