Equilibrium and Kinetic Studies of the Stannate(Iv)-Polyol Reaction

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dc.contributor.authorMbabazi, Jolocam
dc.contributor.authorWasswa, John
dc.contributor.authorNtale, Muhammad
dc.date.accessioned2022-10-26T12:42:02Z
dc.date.available2022-10-26T12:42:02Z
dc.date.issued2010
dc.description.abstractThe stability constants of 1:1 stannate(IV)-polyol complexes in aqueous media have been determined using a conductimetric technique. The constants are fairly large, and lie in the range 5.3-123.0 for the ten ligands investigated. These values were subsequently used in conjunction with kinetic data to postulate a mechanism involving the species Sn(OH)5 as intermediate in the formation of the chelates. The stannate(IV)- polyol reaction, though taking place at higher pH values, is acid-catalysed and follows first-order kinetics in the oxyanion, but at large ligand-oxyanion mole ratios the reaction exhibits zero-order rate dependence on the polyol. These features taken together are consistent with a unimolecular nucleophilic substitution on the oxyanion.en_US
dc.identifier.citationMbabazi, J., Wasswa, J., & Ntale, M. (2010). Equilibrium and kinetic studies of the stannate (IV)-polyol reaction. Bulletin of the Chemical Society of Ethiopia, 24(3).en_US
dc.identifier.issn1011-3924
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/5007
dc.language.isoenen_US
dc.publisherChemical Society of Ethiopiaen_US
dc.subjectHexahydroxystannate(IV)en_US
dc.subjectPolyolen_US
dc.subjectStability constantsen_US
dc.subjectConductimetric methoden_US
dc.subjectMechanismen_US
dc.titleEquilibrium and Kinetic Studies of the Stannate(Iv)-Polyol Reactionen_US
dc.typeArticleen_US
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