Assertion :Atomic radius of inert gases is largest in the period. Reason: Effective nuclear charge of inert gases is minimum.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Atomic radius of inert gases is largest in the period. Inert gases do not form chemical compounds. Hence, their Van der Waal's radii are considered which are higher than the covalent radii of elements.
Effective nuclear charge of inert gases is not minimum.
Hence, assertion is correct but reason is incorrect.

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