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Densities, viscosities, and refractive indices for the binary mixtures of 1,2-dichloroethane with chlorobenzene and bromobenzene have been determined from (298.15 to 313.15) K over the entire range of concentration at atmospheric pressure. Excess molar volumes have been calculated from the experimental data and fitted to a Redlich-Kister polynomial function. The ability of the Prigogine-Flory-Patterson (PFP) theory to predict V m E at 303.15 K has been tested.