Assertion :For $H_{2}$ and He, Z vs. P plots are linear throughout with positive slope. Reason: Van der Waals' constant 'a' is minimum for these gases.

Read the above assertion and reason and choose the correct option regarding it.

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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Assertion is incorrect but Reason is correct

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Due to smaller size of $H_{2}$ and He, repulsive forces dominant and a is negligible for these gases and Z>1 with positive slope.

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Now, choose the correct option.

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