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Question

Al2O3 cant be reduced by carbon to get Al metal. If true enter 1 else 0.

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Solution

Al has greater affinity for O2 that carbon has, hence C cant be used to reduce Al2O3 to Al. Thermodynamically for this reaction:
Al2O3+3C2Al+3CO
ΔGf is positive hence, reaction is non-spontaneous.

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