Brusa, M. A. and Colussi, A. J. (1982) A kinetic study of the reaction between formic acid and HOBr. International Journal of Chemical Kinetics, 14 (5). pp. 479-485. ISSN 0538-8066. doi:10.1002/kin.550140505. https://resolver.caltech.edu/CaltechAUTHORS:20150731-141350638
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Abstract
The reaction between formic acid and HOBr in strongly acid aqueous media was studied by absorption spectrophotometry at 298 K. Bromine, the monitored species, displays a transient behavior, gradually rising up to a maximum and then decaying with first-order kinetics. Reaction rates, expressed as R = -dC_(Br_2)/dt, depend on the concentrations of HCOOH (0.1–1.4M), HOBr (0.3–1.5 × 10^(−3)M), and H^+ (0.1–1.0M). The mechanism (1) HOBr + HCOO^- = Br^- + CO_2 + H_2O (2, -2) H^+ + Br^- + HOBr ⇌ Br_2 + H_2O (3) Br_2 + HCOO^- = 2Br^- + CO_2 + H^+ with k_1 =1.04 ± 0.20M^(−1) · s^(−1), k_3 = 20.2M^(−1), quantitatively accounts for all observations within experimental error.
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| Additional Information: | © 1982 John Wiley & Sons. Received June 22, 1981, Accepted October 9, 1981. This work was supported in part by Comisión de Investigaciones Científicas de la Provincia de Buenos Aires and by Consejo Nacional de Investigaciones Científicas of Argentina. | |||||||||
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| Issue or Number: | 5 | |||||||||
| DOI: | 10.1002/kin.550140505 | |||||||||
| Record Number: | CaltechAUTHORS:20150731-141350638 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20150731-141350638 | |||||||||
| Official Citation: | Brusa, M. A. and Colussi, A. J. (1982), A kinetic study of the reaction between formic acid and HOBr. Int. J. Chem. Kinet., 14: 479–485. doi: 10.1002/kin.550140505 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 59121 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 05 Aug 2015 22:36 | |||||||||
| Last Modified: | 10 Nov 2021 22:15 |
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