Ion association and solvation of Co(III) complexes in water + alcohol mixtures at different temperatures

Conductance, viscosity and density studies have been made on the solutions of trans-dichloro- bis(ethylenediamine) Co(III) chloride and trans-dibromo- bis(ethylenediamine) Co(III) bromide in different compositions of water + methanol, + ethanol and + n-propanol at different temperatures. The conduct...

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Bibliographic Details
Published in:Journal of molecular liquids 2006-02, Vol.124 (1), p.13-18
Main Authors: Dash, U.N., Mahapatra, J.R., Lal, B.
Format: Article
Language:English
Subjects:
Association constant
Co(III) complex
Density
Viscosity
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Summary:Conductance, viscosity and density studies have been made on the solutions of trans-dichloro- bis(ethylenediamine) Co(III) chloride and trans-dibromo- bis(ethylenediamine) Co(III) bromide in different compositions of water + methanol, + ethanol and + n-propanol at different temperatures. The conductivity data have been analyzed by Shedlovsky technique. The limiting molar conductance, association constants and various thermodynamic parameters have been evaluated. The density data have been used to calculate apparent molar volume and apparent molar expansibility. The viscosity data have been analyzed by means of Jones-Dole equation.
ISSN:0167-7322
1873-3166
DOI:10.1016/j.molliq.2005.04.002