## Abstract The rate constant for the bimolecular combination of benzyl radicals in cyclohexane and toluene is determined as a function of temperature. Further, it is studied in cyclohexane–toluene mixtures of different compositions. In the entire range covered, 9.8 × 10^8^ ⩽ 2__k__~t~ ⩽ 9.0 × 10^9
Self- and cross-termination rate constants for the isopropylol radical and its anion in aqueous solution
✍ Scribed by Lung-Min Wu; H. Fischer
- Publisher
- John Wiley and Sons
- Year
- 1984
- Tongue
- English
- Weight
- 218 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0538-8066
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✦ Synopsis
Abstract
Rate constants for the self‐ and cross‐termination of the isopropylol radical [(CH~3~)~2~ĊOH] and its anion [(CH~3~)~2~ĊO^−^] in aqueous solution are determined by kinetic electron spin resonance. Whereas the self‐termination of the neutral radical occurs close to the diffusion‐controlled limit, the cross‐ and self‐terminations involving the anion are slower and reflect effects of charge repulsion and steric constraints by solvation.
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## Abstract A competitive method involving the direct measurement of radical concentrations by EPR spectroscopy has been used to show that in solution at 25°C the rate constants for the bimolecular self‐reactions of ethyl, isopropyl, __tert__‐butyl, cyclopentyl, and trichloromethyl are all approxim
## Abstract The kinetics of the oxidation of functionalized organic compounds of atmospheric relevance by the hydroxyl radical (OH) was measured in the aqueous phase. Competition kinetics, using the thiocyanate anion (SCN^−^) as competitor, was applied using both a laser flash photolysis long path
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