How can you justify this reduction with Ellingham diagram?

CBSE Class 12 CBSE Class 12 Chemistry
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1

At temperature above 1073 K, coke can be used to reduce FeO to Fe. How can you justify this reduction with Ellingham diagram?

2

Using Ellingham diagram, we observe that at temperature greater than 1073 K;

We know that, according to Ellingham diagram, compound having lower $\Delta $fG° undergo its formation. Hence, coke can reduce FeO to Fe.