Salt and medium effects in the aquation ofcis-amminebromobis(ethylenediamine)cobalt(III) ion |
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| Authors: | Ol'ga Grančičová Vladislav Holba |
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| Institution: | (1) Department of Physical Chemistry, Faculty of Science, Comenius University, 84215 Bratislava, Czechoslovakia |
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| Abstract: | Summary The aquation kinetics ofcis-Co(NH3)Br(en)2]2+ were studied in aqueous and mixed aqueous-nonaqueous solvents in the presence of KBr, KCl, LiCl, NaNO3 and NaClO4 as supporting electrolytes. It was found that the association between the complex ion and Cl–, Br– and NO
3
–
ions takes place. The association constants, KIP, were evaluated from kinetic measurements. The kinetic parameters in the studied media are related to the influence of the cosolvents on the solvation spheres of the reactants and activated complex. |
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