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Haines, Robert I.; Pieda, Doreen; Goulding, Wade

doi:10.1023/a:1006936932576

Cited by 8 publications

(4 citation statements)

References 16 publications

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“…Thus the transition state is more hydrophilic than the initial state . The attenuation of the reactivity of oxidation reactions in the presence of added co‐organic solvents was observed previously.…”

Section: Resultssupporting

confidence: 53%

“…Moreover, the solvent effects on the initial and transition states for the oxidation reaction of the investigated complexes were discussed to understand the effects of solvent on reaction rates, involving the interaction of the solvent environment of the initial and the transition states with the other added substance. The nature of the added solvent affects the rate of reaction, but the reaction mechanism remains essentially constant .…”

Section: Introductionmentioning

confidence: 99%

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Kinetic and Mechanistic Aspects of Reactivity of the Oxidation of Some Fe(II)–Tris Schiff Base Complexes by Peroxydisulfate: Spectrophotometric Tracer and Solvent Effect on the Reactivity

Nassr

Shaker

2014

Int J of Chemical Kinetics

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The kinetics of the oxidation of some Fe(II)-Tris Schiff base complexes by peroxydisulfate was studied spectrophotometrically in the aqueous medium and in the organicaqua binary mixture. The inspected complexes were derived from the condensation of 2acetylpyridine and substituted benzylamines. The oxidation reaction of the studied complexes was followed at 303 K under pseudo-first-order conditions. It was found that the oxidation reaction by S 2 O 8 2− consists of two steps. The first step is the formation of an ion pair from the reactants, and the second step is an electron transfer from the metal center to the peroxydisulfate oxidant, with an associated peroxo bond fissure. A mechanism, based on the experimental results, was proposed, and the rate law was derived. The effect of organic solvent on the reaction rate was studied in the presence of different ratios (v/v) of methanol-water and acetone-water mixtures. Moreover, the changes in the activation barrier from water to water-methanol and

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Section: Resultssupporting

confidence: 53%

Section: Introductionmentioning

confidence: 99%

Kinetic and Mechanistic Aspects of Reactivity of the Oxidation of Some Fe(II)–Tris Schiff Base Complexes by Peroxydisulfate: Spectrophotometric Tracer and Solvent Effect on the Reactivity

Nassr

Shaker

2014

Int J of Chemical Kinetics

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“…27 [Fe(C 2 O 4 )(bipy)] has a chain structure with cis-FeN 2 O 4 coordination in which each iron is bound to two bridging oxalates. 28 The structure of [AsPh 4 ]-[Fe(CN) 3 (terpy)] has been investigated, 29 along with the kinetics of its oxidation by persulfate ion. trans-[Co(NO 2 ) 2 (en) 2 ]ClO 4 has two N-bonded nitro groups.…”

Section: Nitrogen Donorsmentioning

confidence: 99%

“…A dinuclear cobalt(II) thiocyanate complex (29) is the ¢rst cobalt(II) complex to exhibit both spin-crossover and exchange coupling effects. 180 It has both N-and S-bound thiocyanates, the latter a novelty for Co(II).…”

Section: Cobalt Complexesmentioning

confidence: 99%