Genre
- Journal Article
The kinetics of oxidation of several nickel(II) tetraazamacrocycles by the peroxydisulphate anion have been studied in water and in binary aqueous mixtures. The reactions proceed via an ion-pairing pre-equilibrium, followed by metal ion-assisted peroxy-bond fissure within the ion-pair solvent shell The derived rate law is [GRAPHICS] Ion-pairing constants have been determined and have been found to be little influenced by steric factors, but do depend on solvent composition. Rate constants have been extracted using the rate expression and activation energies have been estimated from temperature dependences.
HAINES, RI, MEM UNIV NEWFOUNDLAND,SIR WILFRED GRENFELL COLL,DEPT CHEM,CORNER BROOK A2H 6P9,NEWFOUNDLAND,CANADA.
OTTAWA; RESEARCH JOURNALS, MONTREAL RD, OTTAWA ON K1A 0R6, CANADA
NATL RESEARCH COUNCIL CANADA
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Source type: Electronic(1)
Language
- English
Subjects
- ORGANIC MIXTURES
- INITIAL STATE
- COMPLEXES
- Chemistry, Multidisciplinary
- WATER
- PEROXODISULFATE
- TRANSITION-STATE SOLVATION
- ELECTRON-SPIN RESONANCE
- ION