Assertion :Compressibility factor for hydrogen varies with pressure with positive slope at all pressure. Reason: Even at low pressure, repulsive forces dominate for hydrogen 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 A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
In case of $H_{2}$ compressibility factor increases with the pressure. At $273 K$ , $Z > 1$ which shows that it is difficult to compress the gas as compared to ideal gas. in this case, repulsive force dominates.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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