Kinetics of radiation-induced hydrogen abstraction by CCL/sub 3/ radicals in the liquid phase. Secondary alcohols. [Gamma radiation]
Journal Article
·
· J. Phys. Chem.; (United States)
The dependence of the yields of products in the ..gamma..-radiation-induced free-radical reactions in carbon tetrachloride solutions of secondary alcohols on the alcohol concentration and temperature was studied in the range of 0.05 to 0.6 M and 30 to 150/sup 0/C. The rate constant for the reaction CCl/sub 3/ + R/sub 1/R/sub 2/CH0H ..-->.. CHCl/sub 3/ + R/sub 1/R/sub 2/COH (k/sub 1/) was found as log k/sub 1/ (M/sup -1/s/sup -1/) = 8.63 - 9.1/theta, where theta = 2.303 RT kcal mol/sup -1/. The activation energy is 1.8 +- 0.3 kcal mol/sup -1/ lower than for seconday hydrogens in alkanes and about the same as for the tertiary hydrogene in 2,3-dimethylbutane.
- Research Organization:
- Ben-Gurion Univ. of the Negev, Israel
- OSTI ID:
- 6071122
- Journal Information:
- J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 84:21; ISSN JPCHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400600* -- Radiation Chemistry
ACTIVATION ENERGY
ALCOHOLS
CARBON TETRACHLORIDE
CHEMICAL RADIATION EFFECTS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHEMISTRY
CHLORINATED ALIPHATIC HYDROCARBONS
CYCLOHEXANOL
DATA
DECOMPOSITION
ELECTROMAGNETIC RADIATION
ENERGY
EXPERIMENTAL DATA
GAMMA RADIATION
HALOGENATED ALIPHATIC HYDROCARBONS
HIGH TEMPERATURE
HYDROXY COMPOUNDS
INFORMATION
IONIZING RADIATIONS
KINETICS
MEDIUM TEMPERATURE
NUMERICAL DATA
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PROPANOLS
RADIATION CHEMISTRY
RADIATION EFFECTS
RADIATIONS
RADICALS
RADIOLYSIS
REACTION INTERMEDIATES
REACTION KINETICS
TEMPERATURE EFFECTS
400600* -- Radiation Chemistry
ACTIVATION ENERGY
ALCOHOLS
CARBON TETRACHLORIDE
CHEMICAL RADIATION EFFECTS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHEMISTRY
CHLORINATED ALIPHATIC HYDROCARBONS
CYCLOHEXANOL
DATA
DECOMPOSITION
ELECTROMAGNETIC RADIATION
ENERGY
EXPERIMENTAL DATA
GAMMA RADIATION
HALOGENATED ALIPHATIC HYDROCARBONS
HIGH TEMPERATURE
HYDROXY COMPOUNDS
INFORMATION
IONIZING RADIATIONS
KINETICS
MEDIUM TEMPERATURE
NUMERICAL DATA
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PROPANOLS
RADIATION CHEMISTRY
RADIATION EFFECTS
RADIATIONS
RADICALS
RADIOLYSIS
REACTION INTERMEDIATES
REACTION KINETICS
TEMPERATURE EFFECTS