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At temperature above `1073K` coke can be used to reduce `FeO` to `Fe`. How can you justify this reduction with Ellingham diagram? |
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Answer» If we look at the Ellingham diagram (Fig 9) Text part, we find that above 1073 K, that `DeltaG^(@) (C, CO) lt DeltaG^(@)(Fe,FeO)`, this means that coke can reduce FeO to Fe. i.e., `FeO(s)+ underset ("Coke") C(s) to 2Fe(s) +2CO(g)` |
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