ISSN : 0970 - 020X, ONLINE ISSN : 2231-5039
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Viscosity of Copper Chloride in Aqueous Methanol Mixtures at Different Temperatures

Fahimuddin*, Rehana Saeed and Farheen Naz Naqvi

Department of Chemistry, University of Karachi, Karachi 75 270 Pakistan.

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ABSTRACT:

The viscosity of copper chloride solution in aqueous methanol mixtures (10 to 40% v/v) were measured at various concentrations 1.0 x 10-2 to 9.0 x 10-2 mol.dm-3 and at different temperatures 30° to 50°C. Viscosity data was analysed by means of Jone-Dole equation. Least squares method was employed for obtaining different parameters such as A and B coefficients of Jone-Dole equation and to evaluate the nature of electrolyte. The positive values of B coefficient leads to the conclusion that copper chloride in aqueous mixtures behaves as structure breaker. Activation parameters such as energy of activation (Eμ#), change of free energy of activation (ΔG#) and change of entropy of activation (ΔS#) as a function of salt concentration and solvent composition (% v/v) were also evaluated.

KEYWORDS:

Solutio; Aqueous; Methanol; mixtures; Concentration

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Fahimuddin F, Saeed R, Naqvi F. N. Viscosity of Copper Chloride in Aqueous Methanol Mixtures at Different Temperatures. Orient J Chem 1997;13(3).


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Fahimuddin F, Saeed R, Naqvi F. N. Viscosity of Copper Chloride in Aqueous Methanol Mixtures at Different Temperatures. Orient J Chem 1997;13(3). Available from:http://www.orientjchem.org/?p=37520



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