Ultrasonic velocities and densities of the binary liquid mixtures of anisaldehyde with alcoxyethanols like methoxyethanol (MOE), ethoxyethanol (EOE), and butoxyethanol (BOE) have been measured at temperatures 303.15 K, 308.15 K, 313.15 K, and 318.15 K over the entire composition range of mole fractions. The theoretical values of ultrasonic velocity were evaluated using Nomoto's relation (U NR ), impedance relation (U IR ), ideal mixing relation (U IMR ), Jungie's relation (U JR ), and Rao's specific velocity relation (U R ). The molecular interaction parameter (χ) has been evaluated from the values of experimental and theoretical velocities. The variation of this interaction parameter with the composition mixture has been discussed in terms of molecular interactions.
The ultrasonic velocities (U), densities (ρ) and viscosities (η) of Binary Mixture O - Chlorophenol + methyl salicylate, + ethyl salicylate and + benzyl salicylate from 303.15 to 318.15K. Excess molar volume (VE), deviation in adiabatic compressibility (Δβad) and excess inter molecular free length (LfE) have been calculated from the measured experimental data. The values of VE, Δβad, LfE and Δη have been fitted to Redlich – Kister polynomial equation to estimate binary coefficients and standard deviation between the experimental and computed values. Using Nomoto's relation (UNR), impedance relation (UIR), ideal mixing relation (Uimx), Junjie's relation (UJ), Rao’s specific velocity relation (UR) and Kudriavtsev relation (UK), the theoretical ultrasonic velocities were evaluated. The computed estimations of ratio in velocity (U2/U2imx) from measured estimations of (U) are graphically shown. The molecular interaction parameter (α) has been evaluated. The validity of the theories were checked by calculating standard deviation and chi square test.
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