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JEE Main & Advanced Sample Paper JEE Main Sample Paper-27

  • question_answer
    Which one of the following ionic species has the greatest proton affinity to form stable compound?

    A)  \[{{I}^{-}}\]                                      

    B)  \[H{{S}^{-}}\]

    C)  \[N{{H}^{2-}}\]                     

    D)  \[{{F}^{-}}\]

    Correct Answer: D

    Solution :

    Fluorine has highest electron density among the four species mentioned as options. Hence it will have the greatest tendency to donate the electrons to proton.


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