22. Out of C and CO, which is a better reducing agent for ZnO ?

Answers (1)
M manish


The Gibbs free energy formation of CO_{2} from  CO is always higher than the Gibbs free energy of formation of ZnO. Thus CO cannot reduce ZnO.
On the other hand, Gibbs free energy of formation of CO_{2} from C is less than gibbs free energy of formation of ZnO. Hence C can easily reduce ZnO to zinc.

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