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  4. Decreasing size of ions is:

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Q. Decreasing size of ions is:

Bihar CECEBihar CECE 2005

Solution:

Key Idea: The size of cation is always smaller than corresponding neutral atom and anion is always larger in size the corresponding neutral atom.
$ \therefore $ $ {{I}^{-}}>I>{{I}^{+}} $ is correct order.