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Effect of temperature on the dielectric relaxation time of binary mixture of 2-chloroaniline and 2-ethoxyethanol in 1,4-Dioxane solution using microwave absorption data

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Author(s): B. G. Nemmaniwar | S. S. Mokle | P. L. Kadam

Journal: Pakistan Journal of Chemistry
ISSN 2220-2625

Volume: 3;
Issue: 2;
Start page: 81;
Date: 2013;
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Keywords: Dielectric relaxation | Binary mixtures | 2-chloroaniline and 2-ethoxyethanol | Dipole moment and Microwave absorption studies

ABSTRACT
The dielectric constant ( ),dielectric loss ( ), relaxation times (τ) and the dipole moments (μ) of the binary mixtures of differentmolar concentrations of 2-chloroaniline C6H6ClN in the binary mixtures of 2-chloroaniline (2-CA) and 2-ethoxyethanol (2-EE)C4H10O2 in 1,4-dioxane C 4H10O2 solutions were calculated by using standard standing wave microwave X- band techniques andGopala Krishna’s single frequency 10.985 GHz concentration variational method at different temperatures 20,30,40,500C. Thedielectric relaxation process was found to be an activated process. The dielectric relaxation process of binary mixtures containing30% mole-fraction of 2-CA were calculated at the respective given temperatures. On the basis of the observations, it was foundthat the dielectric relaxation process could be treated as the rate process like the viscous flow process. The dipole moment of pureand binary mixtures were calculated with varying temperatures. The solute-solute and solute-solvent molecular associations werepredicted. Dipole moment (μ) of 2-CA and 2-EE non- linearly increased with rise in temperature.
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