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  • 1 University of Poona Department of Chemistry 411 007 Pune India
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The diffusion coefficients of cobalt halides have been measured in 1% agar gel at 25°C over a wide range of concentration using the zone-diffusion technique. These values are then compared with the corresponding theoretical values computed on the basis of Onsager-Fuoss theory of diffusion. The deviations observed between the experimental and theoretical values of diffusion coefficients are explained by considering various types of interactions occurring in gel-water-electrolyte system.