1. Oxidation-reduction, definitions and conventions

1.1 Oxidizing and reducing agents

Oxidation-reduction reactions are involved in a wide variety of situations, from biological processes such as photosynthesis, in which the oxidation of water supplies oxygen, to industrial applications involving the electrolytic production of numerous strategic compounds (soda, chlorine, aluminum), and the storage and restitution of electrical energy in secondary batteries [K 800] . Nor should we overlook the importance of oxidation and reduction reactions in chemical...