MOLECULAR-INTERACTIONS IN BINARY-MIXTURES OF DMSO-AROMATIC ALIPHATIC-HYDROCARBONS

Theoretical evaluation of sound velocity, using Nomoto's relation, Schaaff's collision factor theory (CFT), Jacobson's free length theory (FLT) and ideal mixing relation due to Van Deal and Vangael have been made in binary mixtures of benzene, toluene, aniline, monochlorobenzene, methanol, ethanol, acetone with the highly polar nonassociated DMSO as common solvent. Theoretical results have been compared with the experimental values. Thermo-acoustic parameters and their excess values for the mixtures have been computed. Different molecular interactions present in these mixtures have also been discussed in terms of deviation of these parameters from linearity and degree of molecular interaction.