Oxidation reactions are chemical reactions in which a substance loses electrons, resulting in an increase in its oxidation state. This process often involves the transfer of electrons from the substance being oxidized to another substance, known as the oxidizing agent. Oxidation reactions play a crucial role in many biological processes, such as cellular respiration, as well as in industrial processes, such as the production of chemicals and metals. The study of oxidation reactions encompasses various techniques and methodologies to understand the mechanisms, kinetics, and outcomes of these reactions.