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Solvent effect on catalytic properties of the HCI-DMF-1,1,2,2-tetrachloroethane system (1996)

Kislina, I. S. ; Sysoeva, S. G. ; Temkin, O. N.

Springer

Russian chemical bulletin 45 (1996), S. 1376-1379

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ISSN: 1573-9171

Keywords: catalytic activity ; basicity ; solvation ; hydrogen chloride ; N,N-dimethylformamide ; 1,1,2,2-tetrachloroethane ; solutions

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract Ionization of 2- and 3-nitroanilines was studied in HCl-DMF-1,1,2,2-tetrachloro-ethane (TCE) solutions at 25 °C. The ionization capability of the medium and basicity constants pK i of indicators change depending on the ratio of the components. The numerical values of pK i are found to depend on the analytical composition of the DMF-TCE solvent. The solvent effect on pK i is associated with a change in the solvation of the nonionized form of the indicators.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01434215

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