Assertion : $S n$ reacts with $H C l$ to produce $H_{2}$ gas. Reason: $S n$ is a better reducing agent than $H_{2}$ .

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
The reaction is as follows:
$S n + 2 H C l ⟶ S n {C l}_{2} + H_{2}$
The oxidation potential of $S n / {S n}^{2 +}$ is greater than the oxidation potential of $H_{2} / 2 H^{\oplus}$ .
Hence, $S n$ is a better reducing agent than $H_{2}$ .

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