Abstract
Comparison between sonolysis and photolysis of bromotrichloromethane in the presence and absence of 1-alkenes was performed to elucidate the characteristics of homogeneous sonochemistry. Results indicate that the photolysis of BrCCl 3 generates radicals in a homogeneous and dispersed state, while sonolysis generates them in a heterogeneous and localized state. In the photochemical reaction the BrCCl 3-adduct was obtained over a wide range of mole fractions of BrCCl 3, whereas in the sonochemical reaction the yield of the BrCCl 3-adduct showed a sharp maximum in a range of high mole fractions of BrCCl 3. This may be attributed to the large variation in surface tension.
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