Assertion :Number of moles of $H_{2}$ in 0.224 L of $H_{2}$ is 0.01 mol. Reason: 22.4 litres of $H_{2}$ at STP contains $6.023 \times 10^{23} m o l$ .

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
22.4L of $H_{2}$ at STP contains 1 mol of $H_{2}$
Therefore, 0.224 L will contain = $\frac{0.224}{22.4}$ = 0.01 moles of $H_{2}$

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