Physical Inorganic Chemistry
Full Access
ChemInform Abstract: Haloselenate(IV) Formation and Selenous Acid Dissociation Equilibria in Hydrochloric and Hydrofluoric Acids.
First published: September 1, 1987
Abstract
In solutions of SeO2 in HX (X: F, Cl) an increase of the HX concentration results in a repression of the ionic dissociation of H2SeO3, which then undergoes a stepwise substitution of OH groups by halogen.
ChemInform Abstract
In solutions of SeO2 in HX (X: F, Cl) an increase of the HX concentration results in a repression of the ionic dissociation of H2SeO3, which then undergoes a stepwise substitution of OH groups by halogen. The initial stages of haloselenate formation equilibria are the same in HF and HCl solutions (reactions A and B, equilibrium constants are determined by quantitative Raman spectroscopy). SeOF2 isthe most highly fluorinated species, whereas in HCl SeCl5- and SeCl62- species are formed.
