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Anomalies in the kinetics of halogenation, hot-atom effects

✍ Scribed by Sidney W. Benson

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
255 KB
Volume
188
Category
Article
ISSN
0009-2614

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✦ Synopsis

It is proposed that gross discrepancies reported in the literature for the kinetic rate constants for Cl t CIHL and Cl t C2D6 may be a consequence of a hot Cl atom produced in the chain system. The exothermic step responsible for this is C2H5+Cl~+C2H,CI+Cl+25 kcal, followed by the slightly exothermic: CI+C2H,+HCI+CLH, t 3 kcal. Similar anomalies can arise in brominations while related effects may occur in solution halqenations.

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Are anomalies in the kinetics of halogen
Are anomalies in the kinetics of halogenation caused by hot atom effects? An experimental investigation
✍ T.J. Wallington; M.D. Hurley πŸ“‚ Article πŸ“… 1992 πŸ› Elsevier Science 🌐 English βš– 304 KB

It has been recently proposed that observed anomalies in the kinetic data base for the reaction of Cl with C2D6 may be explained by the formation of hot Cl atoms in the reactions C2HS+C12+C2HSCI+CI and C2D,+CI 2-\*C2D,CI + Cl. We have performed a competitive kinetic study in which the loss of C2H6 a