Special salt effect

{
  "id": "MLC-T-CHM-011085",
  "term": "Special salt effect",
  "field": "Chemistry",
  "definition": "An observation in solvolysis reactions where the addition of certain salts, particularly lithium perchlorate, causes an increase in the reaction rate that is greater than predicted by the normal salt effect. This phenomenon is attributed to the trapping of an intermediate ion pair by the added salt, preventing its return to the starting material. The effect is typically observed in reactions involving carbocation intermediates.",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "kinetic electrolyte effect",
    "solvolysis"
  ],
  "references": [
    "PAC, 1994, 66, 1077. 'Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)' on page 1165 (https://doi.org/10.1351/pac199466051077)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/special-salt-effect/"
}