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Carbon cannot reduce Fe2O3 to Fe at a te...

Carbon cannot reduce `Fe_2O_3` to Fe at a temperature below 983 K because

A

free energy change for fhe formation of CO is more negative than that of `Fe_2O_3`,

B

CO is thermodynamically more stable than `Fe_2O_3`,

C

carbon has higher affinity towards oxygen than iron

D

iron has higher affinity towards oxygen than carbon

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The correct Answer is:
C
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