Molecular interactions in the mixtures of 2-chloroaniline with equimolar mixture of methanol and isopropanol/isobutanol

Densities and viscosities of mixtures of 2-chloroaniline(CA) with equimolar mixture of methanol and isopropanol/isobutanol (mixtureI/mixtureII) are measured at 308.15 K. Excess viscosity, excess molar volume and excess Gibb's free energy of activation of viscous flow are calculated from the experimental values of densities and viscosities. Molecular interactions in the liquid mixtures are investigated in the light of variation of excess properties evaluated. Excess properties are fitted to a Redlich-Kister type polynomial equation. The experimental data are used to test the applicability of empirical relations of Grunberg-Nissan, Hind-McLaughlin, Katty-Chaudhary and Heric-Brewer for the systems studied.