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Kinetics of the gas-phase reactions of Cl atoms with chloroethenes at 298 ± 2 K and atmospheric pressure

✍ Scribed by Roger Atkinson; Sara M. Aschmann

Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
455 KB
Volume
19
Category
Article
ISSN
0538-8066

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✦ Synopsis

Using a relative rate technique, rate constants have been determined for the gas-phase reactions of C1 atoms with the cholorethenes and ethane at 298 t 2 K and 735 torr total pressure of air. Using a rate constant of 1.97 x lo-'' cm3 molecule-' s-l for the reaction of C1 atoms with n-butane, the following rate constants (in units of lo-'' cm3 molecule-' s ') were obtained: vinyl chloride, 12.7 2 0.2; 1,l-dichloroethene, 14.0 ? 0.2; cis-1,2-dichloroethene, 9.65 2 0.10; trans-1,2-dichloroethene, 9.58 2 0.18; trichloroethene, 8.08 2 0.10; tetrachloroethene, 4.13 ? 0.23; and ethane, 6.17 t 0.08 (where the indicated error limits do not include the uncertainties in the rate constant for n-butane). A small amount of cis-trans isomerization was observed for the reactions involving the cis-and trans-l,2-dichloroethenes. These data are compared and discussed with the available literature data.

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