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  • At the temperature corresponding to which of the points in Fig.6.1, {FeO} will be reduced to Fe by coupling the reaction {2FeO}\rightarrow {2Fe+O}_{2} with all of the following reactions

At the temperature corresponding to which of the points in Fig.6.1, \text {FeO} will be reduced to \text {Fe} by coupling the reaction \text {2FeO}\rightarrow \text {2Fe+O}_{2}  with all of the following reactions?

 (i) \text {C+O}_{2}\rightarrow \text {CO}_{2}

 (ii) \text {2C+O}_{2}\rightarrow \text {2CO} and

(iii) \text {2CO+O}_{2}\rightarrow \text {2CO} _{2}

(i) Point A

(ii) Point B

(iii) Point D

(iv) Point E

Answers (1)

The answer is the option (ii, iv) The reduction reaction ranges can be determined from the intersection points on \Delta \text {G}^{0} versus T plots.

The reduction of \text {FeO} to \text {Fe} takes place at point B and E because at these points \Delta \text {G}^{0} value of all three oxidation reactions is lesser than that of reduction reaction.

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