Assertion :Argon does not react. Reason: Noble gases have complete octet so they dont have tendency to pair with other elements and they show zero valency.

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 A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Noble gases (like He, Ne, Ar) have complete octet so they dont have tendency to pair with other elements and they shows zero valency.
And because of this stable configuration, argon doesnt show reactivity and inert in nature.

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