A kinetic study on reactions of OBrO with NO, OClO, and ClO at 298 K

Kinetics for reactions of OBrO with NO, OClO, and ClO were examined using discharge flow coupled with mass spectrometer (DF/MS) technique at 298 K and total pressure of 1 torr under the pseudo-first-order condition in which OBrO was a minor reactant. The rate constant for the reaction of OBrO with NO was determined to be k2=(1.77±0.32)×10−12 cm3 molecule−1 s−1. NO2 was found to be the product for OBrO+NO. The rate constants for OBrO reactions with OClO and ClO were estimated to be k3<3×10−14 and k4<1×10−13 cm3 molecule−1 s−1, respectively.