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CGP EDU Academic Team
Published on: August 12, 2026
Out of C and CO, which is a better reducing agent for ZnO ?
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All three oxidation curves for the carbon system lie above that for oxidation of zinc, until a temperature of approximately 1000ºC is reached. At this point, C is thermodynamically capable of reducing ZnO to Zn. Since this temperature is greater than the boiling point of Zn (907ºC), it will be formed as a vapour. The overall equation for reduction is, ZnO(s) + C(s) ⎯→ Zn(g) + CO(g).
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