Abstract
Equilibria between I2 and I−, Br−, Cl− in sulfolane were studied by potentiometry and spectrophotometry at 30 °C. The stabilities of Br3− and Cl3− were also determined. The stability constants at nil ionic strength were calculated by means of a program: [Formula: see text], 7.23, and 7.23 for Y = I, Br, and Cl; [Formula: see text], 7.33, and 4.11 for X = I, Br, and Cl. The disproportionation equilibria [Formula: see text] were characterized by log Kd = −1.55(Y = Br) and −0.64 (Y = Cl). The stabilities and spectra of the trihalide ions in sulfolane are compared with similar data for other solvents.
Publisher
Canadian Science Publishing
Subject
Organic Chemistry,General Chemistry,Catalysis
Cited by
4 articles.
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1. Complex formation between sulfur dioxide and halide ions;Canadian Journal of Chemistry;1977-08-01
2. Sulfolane;The Chemistry of Nonaqueous Solvents;1976
3. The electrochemical reduction of oxygen in sulpholane;Electrochimica Acta;1973-01
4. Halide solvation in 1,2-dichloroethane;Inorganic and Nuclear Chemistry Letters;1970-10