Assertion:
The m.p/b.p. of noble gas are quiet high.

Reason
The interparticle forces among noble gases in their liquid state are covalent forces

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 Assertation

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Assertion is correct but reason in incorrect

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Both Asserttion and Reason are incorrect

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Solution

The correct option is D Both Asserttion and Reason are incorrect
Noble gases being monoatomic have no interatomic forces except weak dispersion forces and therefore, they are liquefied at very low temperatures. Hence, they have low boiling points.
Thus Both Asserttion and Reason are incorrect. Hence, correct answer is option (d).

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