(A) : The ionic radii follow the order I^– > I > I⁺
(R) : I, I^– and I⁺are not isoelectronic species.

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Both A and R are true but R is not the
correct explanation of A

A is false but R is true

A is true but R is false

Both A and R are true and R is the correct
explanation

answer is B.

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Detailed Solution

The ionic radii follow the order $I^{-} > I > I^{+}$ . They are not isoelectronic species. Therefore, the A is correct but the R is incorrect.

The ionic radius of an anion is more than a neutral atom while the ionic radius of a cation is less than the radius of a neutral atom.

Therefore, Option B is the correct answer.

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