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Densities, ρ , viscosities, η , and ultrasonic sound velocities u of pure methyl isobutylketone, diethylketone, cyclopentanone, cyclohexanone, 2-methyl cyclohexanone and those of their binary mixtures with N -methyl aniline were measured at 303.15 K over the entire composition range. These experimental data have been used to calculate the excess volume ( V  E ), deviation in ultrasonic sound velocity (∆ u ), isentropic compressibility ( κ   s  ), intermolecular free length ( L  f ), excess intermolecular free length ([Formula: see text]), acoustic impedance ( Z ), excess isentropic compressibility ([Formula: see text]), deviation in viscosity (∆ η ) and excess Gibbs energy of activation of viscous flow ( G  *E ). The viscosity data have been correlated using three equations proposed by Grunberg and Nissan, Katti and Chaudhri, and Hind et al. The excess / deviations have been fitted by Redlich-Kister equation and the results are discussed in terms of molecular interactions present in these mixtures.

journal of solution chemistry

Ultrasonic Studies on Molecular Interactions in Binary Mixtures of N-Methyl Aniline with Methyl Isobutylketone, +3-Pentanone, and +Cycloalkanones at 303.15 K