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1 Bulletin of the Polish Academy of Sciences. Chemistry

1 2001

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Influence of anions on the reversible Ru3O2(NH3)147+ - Fe(II) electron transfer system

Banaś B., Nahorska M., Mroziński J.

Bulletin of the Polish Academy of Sciences. Chemistry

2001

Vol. 49, No. 3

203-211

The influence of perchlorate, chloride and sulphate ions on the reversible electron transfer redox system formula was examined in the acidic solution by the stopped-flow spectrophotometry. The positive salt effect, typical of reactions between similarly charged ions, and an unusually strong accelerating effect of chloride and sulphate ions on the reactions rates were observed. The latter could be explained in terms of complex formation between the iron ions and the anions investigated with the resultant complexes reacting faster than respective iron-aqua complexes.