Abstract
In view of industrial importance of binary {ethyl alcohol + (propan-1-ol/propan-2-ol)} mixtures, the densities (ρ) and refractive indices (n D ) of these alkanols mixtures were measured for different compositions at 303.15 K. Molar volumes (V m) and excess molar volumes (V E) of these binary mixtures were calculated from experimental density data of pure solvents and solvents mixtures. The measured refractive index and density data was used to calculate specific refractions (R D ), molar refractions (R M) and apparent molar refractions (R φ, i ) of binary mixtures. From mole fraction dependence of apparent molar refractions, the limiting apparent molar refractions (R ○φ, i ) of propan-1-ol and propan-2-ol have been determined. The graphical values of R ○φ, i for propan-1-ol and propan-2-ol were found to be 9.5664 and 7.405 cm3 mol−1 respectively. Structural changes, geometrical fittings and molecular interactions in binary mixtures of these alkanols have been discussed.
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Deosarkar, S.D., Puyad, A.L. Structure and molecular interactions in {ethanol + (propan-1-ol/propan-2-ol)} mixtures at 303.15 K. Russ. J. Phys. Chem. 88, 946–950 (2014). https://doi.org/10.1134/S0036024414060090
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DOI: https://doi.org/10.1134/S0036024414060090