PREFERENTIAL SOLVATION OF A DIPOLAR SOLUTE IN MIXED BINARY SOLVENT - A STUDY BY UV-VISIBLE SPECTROSCOPY

被引：88

作者：

CHATTERJEE, P ^{[1
]}

BAGCHI, S ^{[1
]}

机构：

[1] UNIV BURDWAN GOLAPBAG,DEPT CHEM,BURDWAN 713104,W BENGAL,INDIA

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1991年 / 95卷 / 08期

关键词：

D O I：

10.1021/j100161a064

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The preferential solvation in mixed binary solvent, e.g., ethanol + acetonitrile, ethanol + propionitrile, and ethanol + butyronitrile, has been studied by monitoring the solvatochromic charge-transfer band of N-alkylpyridinium iodide. It appears that alcohols are preferred over the nitriles. A model for describing the preferential solvation of a dipolar solute in binary solvent mixture has been developed and discussed in relation to other existing approaches. The role of (a) solvent-solvent interaction and (b) difference in size of the component solvent molecules in determining the preferential solvation has also been discussed.

引用

页码：3311 / 3314

页数：4

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