Which statement defines oxidation in terms of oxidation number?
ADecrease in oxidation number of an element
BGain of electrons by an atom
CRemoval of oxygen from a substance
DIncrease in oxidation number of an element
Answer & Solution
Correct answer: D. Increase in oxidation number of an element
Oxidation is an increase in the oxidation number of an element in a given substance, which happens when electrons are lost.
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