Classification of clock reactions

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Autocatalytic systems are sometimes designated as clock reactions or reactions that exhibit clock behavior. To resolve the recent dispute over the term clock reaction, we describe a new approach to classify systems featuring clock behavior into three distinct groups: substrate-depletive clock reactions, auto-catalysis- driven clock reactions, and systems that have pseudo clock behavior. Many of the well-known classical and recently discovered reactions can conveniently be put into these categories. We also provide a convincing argument for classifying some autocatalytic processes as clock reactions, but it does not necessarily mean that all autocatalytic processes should be classified as autocatalysis-driven clock reactions. This classification can be conveniently performed if the kinetic nature of the given system has been completely elucidated and understood.

Original languageEnglish
Pages (from-to)588-594
Number of pages7
JournalChemPhysChem
Volume16
Issue number3
DOIs
Publication statusPublished - Feb 23 2015

Keywords

  • Autocatalysis
  • Landolt reaction
  • Pseudo-clock behavior
  • Reaction mechanisms
  • Substrate depletive reactions

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry

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