Assertion :One mole of oxygen gas occupies $22.4 l$ volume at STP. Reason: Volume of a gas depends on temperature and pressure and also nature of gas.

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
1 mole of any gas occupies $22.4 l$ at STP.

Therefore, 1 mole of $O_{2}$ occupies 22.4 $l$ at STP.

Thus the assertion is correct.

The volume of gas depends upon temperature, pressure, no. of moles present but not on the nature of the gas.

Thus the reason is incorrect.

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