Abstract
H. C. Longuet-Higgins and C. A. Coulson1 calculated the π-electron distribution in certain heterocyclic molecules by the method of molecular orbitals. It was thought that it would be of considerable interest to measure the formation constants of the silver complexes formed with some of these amines. The relative formation constants of the complex silver ions formed by acridine, quinoline, isoquinoline and pyridine were measured at 25° C. in 59 weight per cent ethanol–water solution. The formation constants express the equilibrium: Where (Ag+), etc., represent the activites of the species.
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References
Longuet-Higgins and Coulson, Trans. Farad. Soc., 43, 87 (1947).
Harned and Owen, “Physical Chemistry of Electrolyte Solutions” (1943).
Bjerrum and Plejl, Chem. Revs., 386 (1950). Vosburgh and Cogswell, J. Amer. Chem. Soc., 2412 (1943). Bruehlman and Verhoek, J. Amer. Chem. Soc., 1403 (1948).
Fischer, H., and Müller, R., Z. physiol. Chem., 148, 155 (1925).
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FYFE, W. Relationship of Electron Distribution in Amines to Ammine Stability. Nature 169, 69–70 (1952). https://doi.org/10.1038/169069b0
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DOI: https://doi.org/10.1038/169069b0
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