✦ LIBER ✦

Homogeneous hydrolysis rate constants—Part II: Additions, corrections and halogen effects

✍ Scribed by Peter M. Jeffers; N. Lee Wolfe

Book ID: 102199112
Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 94 KB
Volume: 15
Category: Article
ISSN: 0730-7268
DOI: 10.1002/etc.5620150708

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✦ Synopsis

Neutral and alkaline rate constants were measured for 14 halogenated hydrocarbons, and new or revised rate constants were determined for hexachloroethane, trichloroethene, and 1,2-dichloroethane. These results include the effects of F or Br substitution for Cl in halogenated methanes, ethanes, and ethenes. The brominated ethanes and ethenes are more reactive than the corresponding chlorinated compounds, due to lower activation energies and higher activation entropies. Fluorine substitution increases the activation energy for some of the ethanes and greatly decreases reactivity for most of the compounds studied. However, fluorodichloromethane is about as reactive as chloroform. Complex reactions were observed in alkaline solutions of vinyl chloride and 1,2-dichlorotrifluoroethane.

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