Assertion :At constant temperature $P V$ vs $P$ plot for real gases is not a straight line. Reason: In the curves of dihydrogen and helium, as the pressure increases the value of $P V$ also increases.

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
At constant temperature, ideal gas equation. $P V = n R T$ is, $P V = K = c o n s t a n t .$
Whatever may be the variation is pressure, the $P V$ product remains constant.
In case of some gases(real gases) like $H_{2}, H e$ there is a deviation of product $P V$ value and it starts increasing with pressure.

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