Polarography of 4-Cyano-l-Methylpridinium Ion in Acetonitrile

Andrew Webber, Emilia Kirowa-Eisner, Janet Osreryoung, Joshua Hermolin

Research output: Contribution to journalArticlepeer-review

Abstract

4-cyano-l-methyl-pyridinium Perchlorate in acetonitrile has been investigated using d-c, normal pulse, and, in particu lar, reverse pulse polarography to elucidate the reduction mechanism at both the first and second waves. Reversible reduc tion to the pyridinyl radical occurs at the first wave. Reduction at the second wave leads to formation of an anion that can react with the parent pyridinium ion to form a dimer. The presence of small “hard” cations (such as protons or lithium ions) blocks this dimerization route on the Polarographie time-scale. The anion is more reactive to cations than the corresponding methoxycarbonyl substituted anion.

Original languageEnglish
Pages (from-to)2725-2730
Number of pages6
JournalJournal of the Electrochemical Society
Volume129
Issue number12
DOIs
StatePublished - Dec 1982

Keywords

  • anion
  • cathode
  • radical
  • reduction

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