The IUPAC name of H2Se is hydrogen selenide.
Hydrogen selenide is a chemical compound made up of hydrogen and selenium. In this compound, two hydrogen atoms are bonded to one selenium atom. The IUPAC nomenclature system emphasizes the naming of chemical substances based on their composition and structure. In this case, ‘hydrogen’ indicates the presence of hydrogen atoms, while ‘selenide’ refers to the selenium atom in its reduced form. Thus, the name hydrogen selenide accurately represents the molecular composition of H2Se.