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Paper Details

Ultrasonic velocity studies of solutions of some organic compounds at 298.15 K

Shipra Baluja* and Falguni Karia

Journal Title:Journal of Chemical, Biological and physical sciences

The density, viscosity and sound velocity of 1-H-benzimidazole and 2- methyl benzimidazole derivatives in methanol and chloroform solutions have been studied at 298.15 K over a wide range of concentration. From these experimental data, some acoustical parameters such as intermolecular free length (Lf), isentropic compressibility (?s), relaxation strength (r), internal pressure (p) and free volume (Vf) have been evaluated. A fairly good correlation between a given parameter and concentration is observed. The results are interpreted in terms of molecular interactions like solvent-solvent, solvent-solute and solutesolute interactions.