The reduced are iron and carbon respectively. option D is correct.
Oxidation is a chemical process that can be explained by the following four points of view – Oxidation in terms of oxygen transfer – Oxidation is the gain of oxygen. Oxidation in terms of electron transfer – Oxidation is the loss of electrons.
Reduction is part of a reduction-oxidation (redox) reaction in which atoms have their oxidation state changed. An organic redox reaction is a redox reaction that takes place with organic compounds. A combination of oxidation and reduction is a redox reaction.
Iron (III) oxide is reduced because it loses oxygen to form iron. Carbon monoxide acts as a reducing agent because it can reduce iron (III) oxide after the loss of oxygen.
Therefore, the correct option is D.
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