Abstract
The mechanisms and rate constants at 293 K of a number of elementary reactions of the ground state BrO (X2Π, v″= 0) radical are reported. BrO is found to react rapidly only with other free radicals (NO,O), [graphic ommitted] It is unreactive towards singlet ground-state molecules (H2, CH4, C2H4, C2H6), BrO+H2→products; k5 < 109.5; BrO+CH4, C2H4, C2H6→products; k < 1010.0. Free X atoms (X = Br, Cl)(formed by bimolecular disproportionation of 2 XO radicals) are normally present in low-pressure systems containing XO radicals. The possible effects on reaction rates of the coexistence of XO and X are considered.
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