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The rate constant of the reaction OD+DNO3: Pressure dependence and kinetic isotope effect

✍ Scribed by Alain R. Bossard; George Paraskevopoulos; Donald L. Singleton

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
568 KB
Volume
134
Category
Article
ISSN
0009-2614

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✦ Synopsis

Absolute rate constants for the reaction OD + DNOJ have been determined at 297 + 2 K, using a pulsed laser photolysis-resonance absorption technique. The values (in cm3 mol-' s-l) obtained for DN03 alone and in the presence of 107 Torr SF, and at + 3a are (5.47 zb 0.75) x lo9 and (8.51+ 0.72) x lo9 respectively. The results indicate a significant pressure dependence of the rate constant and a large kinetic isotope effect, kn/ko= 13.8.

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