At 600 to 700 degrees Celsius, which is the stronger reducing agent for iron oxide?
ACarbon, forming CO from C
BCarbon monoxide gas
CBoth are equally strong
DNeither can reduce it
Answer & Solution
Correct answer: B. Carbon monoxide gas
In that range the 2CO + O2 giving 2CO2 reaction has a more negative free energy change than that for carbon.
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