The density ρ, viscosity η, refractive index n and dielectric constant ε s of binary mixture of Allyl Chloride (AC) with n-Butanol including those of the pure liquids, were measured over the complete composition range at 298K. The experimental data is used to calculate excess molar volumes (v E ), excess permittivity (ε s E ), excess viscosity (η E ), excess refractive index, molar refraction, excess molar polarization and Dunstan's constant. The variations of these parameters with composition and the effect of bonding in the binary mixture are discussed from the point of view of intermolecular interactions in these mixtures. The positive value of excess molar volume (v E ) is attributed to the breaking of H-bonded associated species formed between unlike molecule at 298K.
The present paper reports study of dielectric & physicochemical properties like dielectric constant, viscosity, density and refractive index for the binary mixtures of Nitromethane (NM) and Dimethylsulphoxide (DMSO) over the entire concentration range were measured at 293.15K. The experimental data further used to determine the Bruggeman factor, and excess properties viz. excess density, excess viscosity, and excess refractive index. The values of excess properties further fitted with Redlich-Kister equation. Excess properties were used to indicate the presence of intermolecular interactions and strength of intermolecular interactions between the molecules in the binary mixtures
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