Kinetics and mechanism of silver(I) catalysed autoxidation of aqueous sulphur(IV) in acetate buffered medium

Authors
Gupta, KS Bhargava, P Manoj, SV Bhargava, R
Citation
Ks. Gupta et al., Kinetics and mechanism of silver(I) catalysed autoxidation of aqueous sulphur(IV) in acetate buffered medium, TRANSIT MET, 25(3), 2000, pp. 329-332
Citations number
25
Categorie Soggetti
Inorganic & Nuclear Chemistry
Journal title
TRANSITION METAL CHEMISTRY
ISSN journal
03404285 → ACNP
Volume
25
Issue
3
Year of publication
2000
Pages
329 - 332
Database
ISI
SICI code
0340-4285(200006)25:3<329:KAMOSC>2.0.ZU;2-8
Abstract
The kinetics of the silver(I) catalysed autoxidation of aqueous sulphur(IV) an acetate buffered medium obey the rate law: -d[S-IV]/dt = D[Ag-I][S-IV]( 2)[H+](-1)/(B + C[S-IV]). The rate is independent of [O-2] but strongly inh ibited by EtOH. A free radical mechanism is proposed.