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Addition of trichloromethyl radicals to tetrachloroethylene

✍ Scribed by A. Horowitz; G. Baruch

Publisher: John Wiley and Sons
Year: 1979
Tongue: English
Weight: 315 KB
Volume: 11
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550111205

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✦ Synopsis

The gamma-radiation-induced free-radical chain reactions in liquid CC14-C&L-c-CsHly mixtures were studied in the temperature range of 363-448°K. T h e main products in this system are chloroform, hexachloropropene and chlorocyclohexane. These products are formed via reactions (1)-( 5):

(1)

with G values (molec/lOO eV) of the order of magnitude of 10' and 10:' a t the lowest and highest ternprratures, respectively. Values of kqlk 1 were determined from the product distribution. I n turn, these values gave the following Arrhenius expression for k2/tz1 (8 = 2.303R7', in kcal/mol): 10:: fiy'kl = (-1.21 + 0.10) + (1.59 f 0.27)lH From this result and the previously determined Arrhenius parameters of reaction ( l ) , ti? is I'iiund t o he given by log k ? (l/mol-sec) = 7.58 -9.?9//1

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