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

Abstract

The dielectric constant ( ),dielectric loss ( ), relaxation times (τ) and the dipole moments (µ) of the binary mixtures of different molar concentrations of 2-chloroaniline C6H6ClN in the binary mixtures of 2-chloroaniline (2-CA) and 2-ethoxyethanol (2-EE) C4H10O2 in 1,4-dioxane C4H10O2 solutions were calculated by using standard standing wave microwave X- band techniques and Gopala Krishna’s single frequency 10.985 GHz concentration variational method at different temperatures 20,30,40,50 0 C. The dielectric relaxation process was found to be an activated process. The dielectric relaxation process of binary mixtures containing 30% mole-fraction of 2-CA were calculated at the respective given temperatures. On the basis of the observations, it was found that the dielectric relaxation process could be treated as the rate process like the viscous flow process. The dipole moment of pure and binary mixtures were calculated with varying temperatures. The solute-solute and solute-solvent molecular associations were predicted. Dipole moment (µ) of 2-CA and 2-EE non- linearly increased with rise in temperature.