Effect of temperature on O⊘ reactions and equilibria: A pulse radiolysis study

Autor:	Allen John Elliot, David R. McCracken
Rok vydání:	1989
Předmět:	Dissociation constant chemistry.chemical_compound Reaction rate constant chemistry Radiolysis Inorganic chemistry Physical chemistry Ozonide Hydroxyl radical General Medicine Methanol Atmospheric temperature range Dissociation (chemistry)
Zdroj:	International Journal of Radiation Applications and Instrumentation. Part C. Radiation Physics and Chemistry. 33:69-74
ISSN:	1359-0197
DOI:	10.1016/1359-0197(89)90096-9
Popis:	The p K a of the hydroxyl radical was measured over the 20–80°C temperature range. At 20°C, the p K a was 11.84 and fell to 10.81 at 80°C. The dissociation constant for the ozonide anion (O⊘ 3 ⇌O 2 +O⊘) was found to be 5.5 × 10 -7 mol dm -3 at 20°C and 46.2 × 10 -7 mol dm -3 at 70°C. The rate constants and activation energies for the reaction of O⊘ and OH with 2-propanol, methanol and 3-hexene-1,6-dicarboxylate ions have also been measured.
Databáze:	OpenAIRE
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