Published 1983 | Version v1
Journal article Metadata-only

Depolymerization kinetics of Ru4(OH)48 and characterization of the reaction product: dimeric Ru(III) ion

Creators

  • 1. Katholieke Univ. Leuven, Heverlee (Belgium). Lab. voor Radiochemie

Description

Perchloric acid solutions of Ru4(OH)48+ were prepared by the controlled-potential reduction of Ru(IV) at platinum electrodes in a high-speed coulometric cell. The solution spectrum of Ru4(OH)48+ is reported. Tetrameric Ru(III) ion decomposes in a reaction which is first-order with respect to its concentration, but independent of the acidity, to another species of the same valence state which is believed to be a dimeric ion (Ru2(OH)24+ or similar). Electrochemical reduction of this species yields Ru2+ which can be reoxidized only to Ru3+, the most stable of the Ru(III)-aquo ions. (author)

Additional details

Publishing Information

Journal Title
Polyhedron
Journal Volume
2
Journal Issue
11
Series
Polyhedron.
Journal Page Range
1107-1110
ISSN
0277-5387

INIS

Country of Publication
United Kingdom
Country of Input or Organization
United Kingdom
INIS RN
15024114
Subject category
S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
Descriptors DEI
ABSORPTION SPECTRA; AQUEOUS SOLUTIONS; CATIONS; CHEMICAL REACTION KINETICS; DEPOLYMERIZATION; DIMERS; ELECTRIC POTENTIAL; ELECTRODES; ELECTROLYSIS; PERCHLORIC ACID; PLATINUM; REDUCTION; RUTHENIUM HYDROXIDES; VOLTAMETRY
Descriptors DEC
CHARGED PARTICLES; CHEMICAL REACTIONS; CHLORINE COMPOUNDS; DECOMPOSITION; DISPERSIONS; ELEMENTS; HALOGEN COMPOUNDS; HOMOGENEOUS MIXTURES; HYDROGEN COMPOUNDS; HYDROXIDES; INORGANIC ACIDS; IONS; KINETICS; METALS; MIXTURES; OXYGEN COMPOUNDS; PLATINUM METALS; REACTION KINETICS; RUTHENIUM COMPOUNDS; SOLUTIONS; SPECTRA; TRANSITION ELEMENT COMPOUNDS; TRANSITION ELEMENTS