Question

For the reduction of FeO at the temperature corresponding
to point D, which of the following statements is correct?
(a) ∆G value for the overall reduction reaction with carbon
monoxide is zero.
(b) ∆G value for the overall reduction reaction with a
mixture of 1 mol carbon and 1 mol oxygen is positive.
(c) ∆G value for the overall reduction reaction with a
mixture of 2 mol carbon and 1 mol oxygen will be
positive.
(d) ∆G value for the overall reduction reaction with carbon
monoxide is negative.

Answer 1

∆G value for the overall reduction reaction with carbon

monoxide is zero.

Explanation:

• The△G° is the change in Gibbs's free energy.

• The Gibbs free energy for a reaction to be fesable should be 0.

• In the reaction at point D, we that both the formation of FeO and CO2 are intersecting with each other.

• So at this temperature, the reaction is happening.

• So the Gibbs free energy for both this reaction in total must be 0.

For more information about Gibbs's free energy,

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