Abstract
Densities (ρ), speeds of sound (u) and viscosities (η) are reported for binary mixtures of 2-chloroaniline (CA) with chlorotoluenes [o-chlorotoluene (o-CT), m-chlorotoluene (m-CT), and p-chlorotoluene (p-CT)] over the entire range of mole fraction at 303.15, 308.15, 313.15 and 318.15 K and atmospheric pressure. By using this data, the excess molar volumes, excess isentropic compressibilities, and deviation in viscosity for the binary systems were calculated and fitted to the Redlich–Kister equation to determine the fitting parameters and the root-mean-square deviations. The excess molar volumes, excess isentropic compressibilities, deviations in viscosity and excess Gibbs energy of activation of viscous flow have been analyzed in terms of charge-transfer complexes, and dipole–dipole interactions between unlike molecules in the mixtures. The viscosity data have been correlated using three equations: the Grunberg–Nissan, Katti–Chaudhri and Hind et al.
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