✦ LIBER ✦

Kinetics of the reaction of NO2 with a macrocyclic nickel complex

✍ Scribed by Andreja Bakac

Publisher: John Wiley and Sons
Year: 2002
Tongue: English
Weight: 114 KB
Volume: 34
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.10048

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✦ Synopsis

Abstract

The kinetics of the reaction between NO~2~ and ([14]aneN~4~)Ni^2+^ were determined by laser flash photolysis. The NO~2~ was generated in two independent reactions, one of which is based on the photochemistry of (NH~3~)~5~CoNO~2~^2+^, and the other on the photochemistry of HNO~2~/NO~2~^−^. The results from both sets of experiments yielded a consistent value for the rate constant, k~1~ = 1.2 × 10^8^ M^−1^ s^−1^ in aqueous solutions at pH 1–4. There was no evidence for the reverse reaction. NO~2~ reacts with Fe~aq~^2+^ more slowly, k~Fe~ ∼ 2 × 10^5^ M^−1^ s^−1^. © 2002 Wiley Periodicals, Inc. Int J Chem Kinet 34: 278–281, 2002

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