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Salt effects upon reactions of different charge type reactants: Peroxodisulphate Oxidations of Fe(CN) 4 (bpy) 2− , cis ‐Fe(CN) 2 (bpy) 2 and Fe(bpy) 3 2+ and Iron(II) Oxidation by Co(NH 3 ) 5 Cl 2+
Author(s) -
Múñoz Ernestina,
Graciani María Del Mar,
Jiménez Rafael,
Rodríguez Amalia,
Moyá María Luisa,
Sánchez Francisco
Publication year - 1994
Publication title -
international journal of chemical kinetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 68
eISSN - 1097-4601
pISSN - 0538-8066
DOI - 10.1002/kin.550260208
Subject(s) - chemistry , salt (chemistry) , ion , electrolyte , inorganic chemistry , solvent , redox , medicinal chemistry , electrode , organic chemistry
Salt effects on the oxidation of the iron(II) complexes Fe(CN) 4 (bpy) 2− , cis ‐(CN) 2 (bpy) 2 and Fe(bpy) 3 2+ by S 2 O 8 2− as well as on the reaction Fe 2+ + Co(NH 3 ) 5 Cl 2+ have been studied in concentrated electrolyte solutions at 298.2 K. We have gone from anion–anion to cation–cation reaction with the intermediate cases of anion–neutral and cation–anion reactions. Results show that the main cause of the kinetic salt effects observed is the interaction between supporting electrolytes and the solvent. © 1994 John Wiley & Sons, Inc.