Carbon can reduce ferric oxide to iron at a temperature above 983 K be – McqOptions

MCQOPTIONS

1.	Carbon can reduce ferric oxide to iron at a temperature above 983 K because ______?
A.	free energy change for the formation of carbon dioxide is less negative than that for ferric oxide.
B.	iron has a higher affinity towards oxygen than carbon.
C.	carbon monoxide formed is thermodynamically less stable than ferric oxide.
D.	carbon has a higher affinity towards oxidation than iron.
Answer» E.

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