In the Smelting of Iron from Iron Oxide According to the Equation

question 191

Multiple Choice

In the smelting of iron from iron oxide according to the equation Fe₂O₃(s) + 3 CO(g) $\to$ 2 Fe(s) + 3 CO₂(g) ,what is the change in oxidation number for iron?

• A)+3
• B)-3
• C)+2
• D)-2
• E)0

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