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Question

Assertion :Al obtained only by electrolytic reduction of Alumina (pure) Reason: Aluminium metal has a strong affinity for oxygen and the oxide of Al is Al2O3, which is a very stable oxide. Hence ordinary chemically reducing agents are not sufficient to reduce Al2O3 to Al.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
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
Aluminium metal has a strong affinity for oxygen and the oxide of Al is Al2O3, which is a very stable oxide. Hence, ordinary chemically reducing agents are not sufficient to reduce Al2O3 to Al. Electrolytic reduction is a more powerful reduction method.

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