peroksüüdrühma
Peroksüüdrühm, or peroxide group, is a functional group in chemistry with the general structure R-O-O-R', where R and R' are typically organic substituents. It is characterized by a covalent bond between two oxygen atoms. This O-O single bond is relatively weak and readily breaks, leading to the formation of reactive oxygen species. Peroxides are known for their oxidizing properties and can participate in various chemical reactions, including radical chain reactions. They are often used as bleaching agents, disinfectants, and polymerization initiators. Organic peroxides are particularly important in polymer chemistry. Inorganic peroxides, such as hydrogen peroxide (H2O2), are also widely used. The presence of the peroxide group can significantly influence the reactivity and stability of a molecule. Care must be taken when handling peroxides as they can be unstable and potentially explosive, especially in concentrated forms or when heated. Their decomposition can release significant amounts of energy. The chemical properties of a peroxide are largely determined by the nature of the R and R' groups attached to the oxygen atoms.