Assertion :The volume of 1 mole of an ideal gas at 1 bar pressure at $25^{o} C$ is 24.78 litre.
Reason: 1 bar= 0.987 atm

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 B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Pressure = 1 bar = 0.987 atm
Therefore, PV=nRT
V= $\frac{1 \times 0.0821 \times 298}{0.987}$ = 24.78 L

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