Ultrasonic study on molecular interactions in binary mixtures of formamide with 1-propanol or 2-propanol

Manju Rani; Suman Gahlyan; Ankur Gaur; Sanjeev Maken

doi:10.1016/j.cjche.2014.12.003

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Ultrasonic study on molecular interactions in binary mixtures of formamide with 1-propanol or 2-propanol

化工热力学 | Updated：2026-01-06

- Ultrasonic study on molecular interactions in binary mixtures of formamide with 1-propanol or 2-propanol
- Ultrasonic study on molecular interactions in binary mixtures of formamide with 1-propanol or 2-propanol
- 中国化学工程学报（英文版） 2015年23卷第4期页码：689-698
- Affiliations：
  
  1. 2 Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Murthal,India,131039
  2. 3 Department of Chemical Engineering, Motilal Nehru National Institute of Technology, Allahabad,India,211004
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.12.003
  中图分类号：
- 纸质出版：2015
- Accepted：
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Manju Rani, Suman Gahlyan, Ankur Gaur, 等. Ultrasonic study on molecular interactions in binary mixtures of formamide with 1-propanol or 2-propanol[J]. 中国化学工程学报（英文版）, 2015,23(4):689-698.

Manju Rani, Suman Gahlyan, Ankur Gaur, Sanjeev Maken. Ultrasonic study on molecular interactions in binary mixtures of formamide with 1-propanol or 2-propanol[J]. Chin.J.Chem.Eng., 2015, 23(4): 689-698.
Manju Rani, Suman Gahlyan, Ankur Gaur, 等. Ultrasonic study on molecular interactions in binary mixtures of formamide with 1-propanol or 2-propanol[J]. 中国化学工程学报（英文版）, 2015,23(4):689-698. DOI： 10.1016/j.cjche.2014.12.003.

Manju Rani, Suman Gahlyan, Ankur Gaur, Sanjeev Maken. Ultrasonic study on molecular interactions in binary mixtures of formamide with 1-propanol or 2-propanol[J]. Chin.J.Chem.Eng., 2015, 23(4): 689-698. DOI： 10.1016/j.cjche.2014.12.003.

摘要

Abstract

Ultrasonic speeds have been measured at 298.15 K and 308.15 K formixtures of formamide+1-propanol or 2-propanol. For an equimolar mixture

excess molar compressibility follows the sequence of 1-propanol 2-propanol. The ultrasonic speed data are correlated by various correlations such as Nomoto's relation

van Dael's mixing relation and impedance dependence relation

and analyzed in terms of Jacobson's free length theory and Schaaff's collision factor theory. Excess isentropic compressibility is calculated from experimental ultrasonic speed data and previously reported excess volume data. The excess molar ultrasonic speed and isentropic compressibility values are fitted to Redlich-Kister polynomial equation. Other properties such as molecular association

available volume

free volume

and intermolecular free length are also calculated. The excess isentropic compressibility data are also interpreted in terms of graph theoretical approach. The calculated isentropic compressibility values are well consistent with the experimental data. It is found that the interaction between formamide and propanol increases when hydroxyl group attached to a carbon atom has more -CH

groups.

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