Define the terms oxidation and reduction in terms of oxidation number.
Define the terms oxidation and reduction in terms of oxidation number.
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i. Oxidation is an increase in the oxidation number of an element in a given substance.
e.g. Fe(s) → \(Fe_{(aq)}^{2+}\)
ii. Reduction is a decrease in the oxidation number of an element in a given substance.
e.g. \(Cu_{(aq)}^{2+}\) → Cu(s)
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