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JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Self Evaluation Test - Classification of Elements and Periodicity in Properties

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

    A) \[C{{l}^{-}}\]                         

    B) \[{{F}^{-}}~\]

    C) \[~{{I}^{-}}\]                         

    D) \[~B{{r}^{-}}\]

    Correct Answer: B

    Solution :

    [b] Proton affinity decreases in moving across the period from left to right due to increase in charge, within a group the proton affinities decreases from top to bottom.


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