Which one of the following is correct order of the size

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I>I−>I+

I>I+>I−

I+>I−>I

I−>I>I+

answer is D.

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Detailed Solution

The size of the cation is always smaller than that of its parent atom and size of the anion is always larger than that of its parent atom.∴ Size of the cation ∝1 magnitude of positive charge Size of the anion c magnitude of negative charge.Hence, the correct order of the size is I−>I>I+

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