The excess parameters studies in the microwave frequency region (X-band) on complex dielectric permittivity for the binary mixture are reported. The method employed adjustable plunger cavity technique. The values of dielectric permittivity (ε'), dielectric loss (ε") have been experimentally determined for binary liquid mixture of 2-Chloroaniline+Ethylene glycol (2CA+EG) at 10.985 GHz microwave frequency at 23.8 0 C. The values of ε' and ε" have been used to evaluate the loss tangent (tan δ), molar polarization (P 12) activation energy (Ea) and excess permittivity (' ε ∆), excess dielectric loss (∆ε"), excess molar polarization (∆P 12), excess activation energy (∆Ea), excess refractive index (∆RI) and excess viscosity (∆η) of viscous flow have also been estimated. These parameters have been used to explain the formation 2:1 complex in the system.
Density, viscosity and refractive index measurement of binary liquid mixtures were carried out at 30 0 C. The values of viscosity have been used to evaluate the activation energy (Ea). The surface tension has been experimentally determined for pure liquid and binary liquid mixtures at 30 0 C.In this paper we also report the range of physical properties includes density, refractive index, viscosity and surface tension.
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