free ion

in a condensed phase
https://doi.org/10.1351/goldbook.15402
Ion whose behavior is independent of the influence of a counterion.
Notes:
  1. A free ion is a distinct kinetic entity, and its reactivity is usually different from that of an ion pair.
  2. The behavior of a free ion may still be influenced by neighboring atoms or molecules.
Source:
PAC, 2008, 80, 2163. (Glossary of terms related to kinetics, thermodynamics, and mechanisms of polymerization (IUPAC Recommendations 2008)) on page 2175 [Terms] [Paper]
Citation: 'free ion' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.15402 RIS BibTex EndNote
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