Determination of the Rate Constant of the Reaction of Benzene with Atomic Fluorine by the Method of Competing Reactions

The method of competing reactions is used to study the kinetics of the reaction of fluorine with benzene at a temperature of T = 293 K. The studies are carried out in a low-pressure flow reactor with the mass spectrometric detection of the reagents and reaction products. The reactions of fluorine at...

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Bibliographic Details
Published in:Russian journal of physical chemistry. B 2021-09, Vol.15 (5), p.789-794
Main Authors: Vasiliev, E. S., Volkov, N. D., Karpov, G. V., Morozov, I. I., Nigmatullin, D. R., Saigina, E. A., Savilov, S. V., Umanskii, S. Ya, Butkovskaya, N. I.
Format: Article
Language:English
Subjects:
Benzene
Catalysis
Chemistry
Chemistry and Materials Science
Cyclohexane
Fluorine
Hydrocarbons
Kinetics and Mechanism of Chemical Reactions
Low pressure
Oxidation
Physical Chemistry
Rate constants
Reaction products
Reagents
Spectrometry
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Summary:The method of competing reactions is used to study the kinetics of the reaction of fluorine with benzene at a temperature of T = 293 K. The studies are carried out in a low-pressure flow reactor with the mass spectrometric detection of the reagents and reaction products. The reactions of fluorine atoms with cyclohexane, trifluoroacetic, and trichloroacetic acids are used as competing reactions. The ratios of the rate constants of benzene and these competing reactions with atomic fluorine are determined for the first time. The rate constant for the reaction of fluorine atoms with benzene is calculated based on the experimental data obtained and the reaction rate constants known from the literature: k 1 (293 K) = (2.0 ± 0.6) × 10 –10 cm 3 molecule –1 s –1 .
ISSN:1990-7931
1990-7923
DOI:10.1134/S1990793121050213