Abstract
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 (), impedance relation (), ideal mixing relation (), Jungie's relation (), and Rao’s specific velocity relation (). The molecular interaction parameter () 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.
Highlights
In recent years measurement of ultrasonic investigations found extensive applications in determining the Physicochemical behavior of liquid mixtures [1,2,3,4,5]
Several researchers [6,7,8,9] carried out ultrasonic investigations and correlated the experimental results of ultrasonic velocity with the theoretical relations of Nomoto [10, 11], van Deal and Vangeel ideal mix relations [12] impedance relation
There has been an increasing interest in the study of intermolecular interactions in the last two decades and numbers of experimental techniques have been used to investigate the interactions between the binary liquid mixture components. ultrasonic study of liquid mixtures, due to its nondestructive nature, has been extensively carried out in different branches of science to measure the thermodynamic properties to predict the nature of molecular interaction between the molecules in a medium
Summary
In recent years measurement of ultrasonic investigations found extensive applications in determining the Physicochemical behavior of liquid mixtures [1,2,3,4,5]. Ultrasonic study of liquid mixtures, due to its nondestructive nature, has been extensively carried out in different branches of science to measure the thermodynamic properties to predict the nature of molecular interaction between the molecules in a medium. Auslander and Onitni [18], Samal and Misra [19], Aziz et al [20, 21], and Younglove [22] showed that there is close relation between sound velocity and thermodynamic properties This investigation presents the evaluation of ultrasonic velocity using Nomoto’s relation, ideal mixtures relation, impedance relation, Rao’s specific velocity relation, and Junjie’s relation for anisaldehyde and methoxyethanol, ethoxyethanol and butoxyethanol at temperatures of 303.15– 318.15 K with intervals of 5 K. An attempt has been made to study the molecular interactions from the deviation values in U2/Ui2mix from unity based on earlier studies [23, 24]
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