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Ionic Solvation Part 4. Copper(I) Solvation. Disproportionation and Halide-complex Formation in Propylene Carbonate

DOI: 10.1039/f19888404013

Source and publish data:

Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases p. 4013 - 4022 (1988)

Update date:2022-08-10

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Authors:

Lewandowski, AndrzejLewandowski, Andrzej

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Article abstract of DOI:10.1039/f19888404013

Potentiometric measurements have been obtained in order to examine the thermodynamic stability of copper(I) species and to study halide-complex formation in propylene carbonate in a 0.1 mol dm-3 tetraethylammonium perchlorate medium at 25 deg C.A value of 10-3.44 dm3 mol-1 has een found for the concentration constant, KD, of the disproportionation reaction:.In the halide system two mononuclear complexes CuX and CuX2(1-) are formed.The solubility products of CuX, pKsp, are 16.0, 15.8 and 17.9 and overall formation constants of CuX2(1-), logβ2 are 19.9, 17.9 and 17.2 for X=Cl(1-), Br(1-) and I(1-), respectively.The results are discussed in terms of solvation of the various complexes.

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Product name:Copper(II) iodide

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