The experimental data of Rockwood and Hudson are analyzed in terms of a binary collision mechanism for H2+BCl3rarr;BHCl2+HCl. The model assumes the atom interchange occurs during the collision and uses the known rate for H2+Clrarr;HCl+H to explain the experimental results. A qualitative account is given for the dependence of yield of BHCl2on flux and gas pressure.
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