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Electron transfer oxidation kinetics of Na 2 [Mo 2 O 4 EDTA] by S 2 O 8 2− ion in dilute acid medium
Author(s) -
Ray K.,
Mandal P. C.,
Mukherjee D. C.
Publication year - 1997
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/(sici)1097-4601(1997)29:4<269::aid-kin5>3.0.co;2-s
Subject(s) - chemistry , kinetics , ion , inorganic chemistry , kinetic energy , electron transfer , metal , hydrogen ion , hydrogen , organic chemistry , physics , quantum mechanics
Na 2 (Mo 2 v O 4 EDTA).4H 2 O crystals have been prepared in pure form. Kinetics for the oxidation of the compound by S 2 O 8 2− have been studied spectrophotometrically in dilute sulphuric acid medium. The effects of hydrogen ion concentration, metal ion concentration, S 2 O 8 2− ion concentration, and temperature on the process have been studied. Rate equations have been derived to explain the experimental observations. On the basis of the observations, suitable mechanisms have been suggested. The kinetic parameters E * , ΔH ≠ , and ΔS ≠ of the process have also been determined. © 1997 John Wiley & Sons, Inc. Int J Chem Kinet 29: 269–274, 1997