Publisher: Bachudo Science Co. Ltd

Excess Molar Volume of Binary Mixtures From iso-Propyl Alcohol, Tertiary- Butyl Alcohol and Toluene Liquids At 298K.

L. Uyigue
KEYWORDS: Binary Mixture, Excess Molar Volume, Mole Fraction, Non-Ideal Behaviour, Temperature

ABSTRACT:

In this work, binary mixtures from Tertiary-Butyl alcohol (TBA), Toluene {TOL) and lso-Propyl alcohol (IPA) were prepared at 298K. The mixtures physical properties which includes densities of mixtures (p) and pure components (p;) and mole fractions of components (x) were equally measured at 298K. Excess molar volumes (VE) were subsequently determined for each mixtures using the Ideal Association Model of the type A+ B+  A2. The results from the Tables and Figure showed positive excess molar volumes for the binary mixtures of lso­ Propyl Alcohol (IPA) and Tertiary- Butyl Alcohol (TBA), and Tertiary-Butyl Alcohol (TBA) and Toluene (TOL), while negative excess molar volumes were observed at some points in the lso-Propyl Alcohol (IPA) and Toluene (TOL) binary mixtures at 298K. Consequently, strong self association and weak dipole-induced-dipole interaction were probably evident in the lso-Propyl Alcohol (IPA) and Tertiary-Butyl Alcohol (TBA) Binary Mixture, and Tertiary-Butyl Alcohol (TBA) and Toluene (TOL) mixture, while weak self association and strong dipole-induced-dipole interaction was characteristic of the lso-Propyl Alcohol (IPA) and Toluene (TOL) mixture. However, the · Ideal Association Model of the type A -t· B + A2 were observed to be adequate for interpreting the behaviours of the Tertiary-Butyl Alcohol (TBA) and Toluene (TOL) mixture, and lso-Propyl Alcohol (IPA) and Tertiary-Butyl Alcohol (TBA) mixture.


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