The volumetric behavior of nitrobenze in electron donating solvents.
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概要
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The excess volumes of 18 binary solutions containing nitrobenzene as a weak electron acceptor and various mono- and polysubstituted aromatic donors were evaluated at 25 °C. The partial molal volume of nitrobenzene in these solvents was also evaluated. There is no quantitative correlation between the volumetric behavior of the solutions and the electron donor acceptor abilities of the solution constituents. The results, however, clearly prove that isomers of higher cohesive energy affect the volumetric behavior of solutions less than their lower cohesive energy counterparts. An attempt is made to interpret this observation in terms of the steric effect and the cohesive energy of donors.
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