7187379870

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Abstract

STUDIES OF SOLUTE-SOLVENT INTERACTIONS AND APPLICATIONS OF GREEN AND BLUE COMPLEXES OF COPPER (II) PALMITATE WITH 2-AMINO BENZOTHIAZOLES

Author(s): NEHA MATHUR

In the applied areas of research and many industrial process the complexes of copper metal with some aromatic ligands are very useful, to study the density data of above complexes in mixed solvent systems these complexes are derived from copper (II) palmitate with substituted 2-amino benzothiazoles and analyzed for their micellar characteristics in nonaqueous media with different polarities. The synthesized complexes were characterized by elemental analysis, melting points and their IR, NMR and ESR spectral studies. In the present work, benzene and methanol have been chosen as the co-solvent as mixed solvents have tendency to interact with complex molecules and result affecting the aggregation of complex molecules. Density of complexes have been measured in various concentrations and by using density data, the molar volume and apparent molar volume have been evaluated in order to determine the critical micelle concentration (CMC). The CMC values are found to decrease with increase in average molecular weight of the soap complexes. The apparent molar volume has been examined in terms of Masson equation, and the limiting apparent molar volume has been interpreted in terms of solute-solvent interaction. The detailed study of aforesaid compounds clearly indicates that the solute-solvent interaction decreases with the increase in ring strain and size of the synthesized complexes.


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