Assertion :Carbon cannot reduce the oxides of $N a$ or $M g$ . Reason: Sodium and magnesium have higher affinity towards oxygen than towards carbon because these are highly reactive metals.

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
Sodium and magnesium have a higher affinity towards oxygen than that of carbon because these are highly reactive metals. Hence, carbon can not reduce the oxides of $N a$ or $M g$ .
$N a$ or $M g$ are more reactive as compared to carbon.

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Assertion :Carbon cannot reduce the oxides of Na or Mg. Reason: Sodium and magnesium have higher affinity towards oxygen than towards carbon because these are highly reactive metals.

Assertion :Carbon cannot reduce the oxides of $N a$ or $M g$ . Reason: Sodium and magnesium have higher affinity towards oxygen than towards carbon because these are highly reactive metals.