Assertion :Molar volume of an ideal gas at $273.15 K$ and $1 b a r$ is $22.4 L$ . Reason: Volume of a gas is inversely proportional to temperature.

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 D Both Assertion and Reason are incorrect
Molar volume of an ideal gas at $273.15 K$ and $1 a t m$ is $22.4 L$ whereas molar volume of an ideal gas at $273.15 K$ and $1 b a r$ is $22.7 L$ .
Also, the volume of a fixed mass of a gas is directly proportional to its absolute temperature at constant pressure.

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