NEET UG CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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The set representing the correct order of ionic radius is

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Correct option: B

N{a^ + } > L{i^ + } > M{g^{2 + }} > B{e^{2 + }}

Option B (

N{a^ + } > L{i^ + } > M{g^{2 + }} > B{e^{2 + }}

) is correct because ionic radius decreases with increasing nuclear charge for isoelectronic species and increases down a group.

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