OXIDATION AND REDUCTION REACTION Oxidation-reduction (redox) reactions involve the transfer of electrons, where one substance loses electrons (is oxidized) and another substance gains them (is reduced). Common examples include the rusting of iron, where iron loses electrons to oxygen, and the combustion of methane, where carbon gains oxygen and releases energy. DEFINITION OF OXIDATION AND REDUCTION A redox reaction can be understood in several ways: ✅Electron Transfer: Oxidation is the loss of e

What is the Oxidation number? | Chemistry online class