Ultrasonic studies on the stability constants of certain charge transfer complexes in solution

Shubhajit Halder; Shivani Tomar; Pratibha S. Agrawal; Lalitmohan J. Paliwal

Abstract

Ultrasonic studies on the stability constants of certain charge transfer complexes in solution

Author(s): Shubhajit Halder, Shivani Tomar, Pratibha S. Agrawal and Lalitmohan J. Paliwal

The present investigation aims at the comparative study of stability constants of the “Ketone-Amine” charge transfer complexes at various temperatures to gain a better understanding of the effect of temperature, and different structural aspects of acceptor-donor to the stability constants of charge transfer complexes under investigation. The density, speed of the sound and viscosity of the above mentioned charge transfer complexes were measured in nhexane solvent at 293 K. A quantitative relationship has been established among the thermodynamic properties like acoustical impedance (Z), sound velocity (U), internal pressure (πi), Intermolecular free length (Lf) and adiabatic compressibility (ß) etc. The results obtained are much comparable and are in good agreement. A molecular interaction study has also been made successfully in the light of these acoustical properties.

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