JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties Question Bank Atomic and lonic radii

  • question_answer Which one is the correct order of the size of the iodine species [Pb. CET 1986; CBSE PMT 1997; Kurukshetra CEE 1998; RPMT 1999; DCE 1999; MP PET 2000; MP PMT 2001; BCECE 2005]

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

    B) \[I>{{I}^{-}}>{{I}^{+}}\]

    C) \[{{I}^{+}}>{{I}^{-}}>I\]

    D) \[{{I}^{-}}>I>{{I}^{+}}\]

    Correct Answer: D

    Solution :

      \[\underset{54}{\mathop{{{I}^{-}}}}\,>\underset{53}{\mathop{I}}\,>\underset{52\,\,\,\,\,\text{atmoic number }}{\mathop{{{I}^{+}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}\,\]

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