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Carbon monoxide is more effective reducing agent than carbon below 983 k but, above this temperature, the revere is true -Explain. |
Answer» SOLUTION :From the Ellingham diagram, we find that at 983 K, the curves intersect.  The value of `DeltaG^(@)` for CHANGE of C to `CO_(2)` is less than the value of `DeltaG^(@)` for change of CO to `CO_(2)`. Therefore, coke ( C ) is a better REDUCING agent than CO at 983K or above temperature. HOWEVER below this temperature (e.g. at 673K), CO is more effective reducing agent than C. |
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