The Mn(II)‐Catalyzed Belousov‐Zhabotinsky Reaction with Methyl‐, Ethyl‐ or Butyl‐Malonic Acid

Shih Sheng Sun, Hong‐Ping ‐P Lin, Ying‐Fen ‐F Chen, Jing‐Jer ‐J Jwo

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14 Citations (Scopus)

Abstract

In a batch‐stirred experiment, the Mn(II)‐catalyzed reaction of bromate ion with methyl‐, ethyl‐ or n‐butyl‐malonic acid (MeMA, EtMA or BuMA) exhibits oscillating behavior similar to the prototype Ce(III)‐catalyzed Belousov‐Zhabotinsky (BZ) reaction with malonic acid (MA). The effects of manganese ion, bromate ion, organic substrate, sulfuric acid, and chloride ion on the oscillating pattern were investigated. Both conventional and stopped‐flow spectrophotometric methods were applied to study the kinetics of reactions of Mn(III) ion with MA, MeMA, EtMA, BuMA, bromomalonic acid (BrMA), and dibromomalonic acid (Br2MA). The order of reactivity toward Mn(III) oxidation is MA > BrMA > MeMA > Br2MA > (EtMA, BuMA). The experimental results are rationalized.

Original languageEnglish
Pages (from-to)651-658
Number of pages8
JournalJournal of the Chinese Chemical Society
Volume41
Issue number6
DOIs
Publication statusPublished - 1994 Dec

All Science Journal Classification (ASJC) codes

  • General Chemistry

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