Abstract
The thermodynamic properties such as excess volume ( V E ), excess Gibbs free energy ( G* E ), deviation in viscosity ( Δη ) and deviation in isentropic compressibility ( Δκ s ) have been calculated using the experimental data of density ( ρ ), viscosity ( η ) and speeds of sound ( u ) values of binary mixtures namely; isoamyl alcohol (IAA) + chlorobenzene (CB), + benzonitrile (BN), + aniline (AL), + benzaldehyde (BZ) and + nitrobenzene (NB) over the entire range of mole fraction at temperature 298.15, 303.15 and 308.15 K and under atmospheric pressure. The obtained results were fitted to the Redlich-Kister (R-K) equation to determine the adjacent binary coefficients with errors. The calculated parameters were discussed in terms of intermolecular interactions such as H-bonding, OH- π , and molecules fitting interactions in the non-ideal solutions. Further, the pure liquids and their mixture concentrations were characterized by FT-IR, and 1 H-NMR spectral technologies and using these spectral results elucidate intermolecular interaction (H-bond) in dissimilar molecules.
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