Spectrophotometric determination of the dissociation constants of aliphatic nitro compounds

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Summary

  1. The dissociation constants of aliphatic nitro compounds may be found spectrophotometrically to a high degree of accuracy.

  2. The dissociation constants of ten nitroalkanes have been measured at various temperatures (trinitromethane, 1,1-dinitroalkanes, and 1,1,3,3-tetranitroalkanes).

  3. The acidity function H has been found for hydrochloric acid in concentrations from 0.1–1.2 M.

  4. Standard values of the enthalpy and entropy of the dissociation reactions of nitroalkanes have been calculated from the temperature dependence of the dissociation constants.