A Study of Physio-chemical parameters for Binary Mixtures of Primary Alcohol/Bromoethane
Keywords:
Binary mixtures, Ultrasonic velocity, Refractive index, Molecular Interaction, Structural propertiesAbstract
Background: The binary liquid mixtures of methanol (MeOH) and bromoethane (BR) were analysed across the mixing range (0.0 to 1.0) to determine molecular interactions and structural properties at a constant temperature of 283 K.
Purpose: The ultrasonic speed and refractive index of the binary mixtures were measured at 283.15 K using a DMA 5000M (Anton Paar) and an Abbe refractometer, respectively.
Method: Acoustic parameters such as adiabatic compressibility (β), acoustic impedance (Z), and free length (Lf) were calculated from the ultrasonic velocity data of the binary mixtures. Some refractometric parameters, specifically internal pressure (Pint) and molecular radii (r), were assessed applying the measured refractive indices of binary mixtures.
Conclusions: The excess parameters of ultrasonic and refractometric properties were determined and fitted using R. K. polynomial analysis. All these determined parameters have been used to investigate heteromolecular interactions in molecular species.
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