Solvation of Some Tetraalkylammonium Salts Investigated Conductometrically and Viscometrically in Binary Mixtures of Acetonitrile + Methanol at 298.15 K
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Hardeep Anand
und
Renu Verma
Abstract
Molar conductances and viscosities of some tetraalkylammonium perchlorate salts (R4NClO4 where R=methyl, ethyl, propyl, butyl) have been measured in the concentration range (30–500)×10−4 M in the binary mixtures of acetonitrile (AN)+methanol (MeOH) containing 0, 20, 40, 60, 80 and 100 mol% methanol at 298.15 K. Conductance data was analyzed by the Shedlovsky equation and the viscosity data by Jones–Dole equation. The limiting ionic conductances (λo±) were used to calculate the solvated radii (ri) of the ions. The A and B coefficients of the Jones–Dole equation are positive in all salts. The A coefficients are in reasonably good agreement with the limiting theoretical values (Aη) calculated using Falkenhagen–Vernon equation. The variation of the actual solvated radii (ri) as well as the ionic B± coefficients with solvent composition in AN+MeOH mixtures shows the preferential solvation of tetraalkylammonium ions by methanol-rich region of the mixtures. The extent of solvation of the tetraalkylammonium ions is in the order Me4N+>Et4N+>Pr4N+>Bu4N+.
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©2016 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Spectroscopic, Quantum Chemical, Physical and Antioxidant Studies on 2-Amino 4-Picolinium 4-Nitrobenzoate – An Organic Crystal for Nonlinear Optical and Biological Applications
- Density Functional Theory Calculations, Spectroscopic (FT-IR, FT-RAMAN), Frontier Molecular Orbital, Molecular Electrostatic Potential Analysis of 5-Fluoro-2-Methylbenzaldehyde
- A Green Approach to the Synthesis of Reduced Graphene Oxide using Sodium Humate
- Sintered Carbon Nanomaterials: Structural Change and Adsorption Properties
- Sonochemical Synthesis of Nanostructured ZnO/Ag Composites in an Ionic Liquid
- Preparation and Characterization of Al2O3 Doped TiO2 Nanocomposites Prepared from Simple Sol-Gel Method
- Solvation of Some Tetraalkylammonium Salts Investigated Conductometrically and Viscometrically in Binary Mixtures of Acetonitrile + Methanol at 298.15 K
- Volumetric, Ultrasonic and Viscometric Studies of Aspirin in the Presence of 1-Octyl-3-Methylimidazolium Bromide Ionic Liquid in Acetonitrile Solutions at T=(288.15–318.15) K
Artikel in diesem Heft
- Frontmatter
- Spectroscopic, Quantum Chemical, Physical and Antioxidant Studies on 2-Amino 4-Picolinium 4-Nitrobenzoate – An Organic Crystal for Nonlinear Optical and Biological Applications
- Density Functional Theory Calculations, Spectroscopic (FT-IR, FT-RAMAN), Frontier Molecular Orbital, Molecular Electrostatic Potential Analysis of 5-Fluoro-2-Methylbenzaldehyde
- A Green Approach to the Synthesis of Reduced Graphene Oxide using Sodium Humate
- Sintered Carbon Nanomaterials: Structural Change and Adsorption Properties
- Sonochemical Synthesis of Nanostructured ZnO/Ag Composites in an Ionic Liquid
- Preparation and Characterization of Al2O3 Doped TiO2 Nanocomposites Prepared from Simple Sol-Gel Method
- Solvation of Some Tetraalkylammonium Salts Investigated Conductometrically and Viscometrically in Binary Mixtures of Acetonitrile + Methanol at 298.15 K
- Volumetric, Ultrasonic and Viscometric Studies of Aspirin in the Presence of 1-Octyl-3-Methylimidazolium Bromide Ionic Liquid in Acetonitrile Solutions at T=(288.15–318.15) K
