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Grunwald-Winstein equation

Term · Chemistry · MLC-T-CHM-005049

A linear free-energy relationship used to correlate the rates of solvolysis reactions with the ionizing power of the solvent. The equation relates the logarithm of the rate constant to a solvent ionizing power parameter (Y) and a substrate sensitivity parameter (m). It is expressed as log(k/k0) = mY + c, where k and k0 are rate constants in the solvent and a reference solvent, respectively.

Table 1. Record
IdentifierMLC-T-CHM-005049
FieldChemistry
SubjectOrganic and Biomolecular Chemistry
ReferencesPAC, 1994, 66, 1077. 'Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)' on page 1118 (https://doi.org/10.1351/pac199466051077)
See alsoZ-value; Dimroth-Reichardt ET parameter; Ionizing power; Nucleophilicity; Polarity; Order of reaction; Solvolysis
Record as JSON
{
  "id": "MLC-T-CHM-005049",
  "term": "Grunwald-Winstein equation",
  "field": "Chemistry",
  "definition": "A linear free-energy relationship used to correlate the rates of solvolysis reactions with the ionizing power of the solvent. The equation relates the logarithm of the rate constant to a solvent ionizing power parameter (Y) and a substrate sensitivity parameter (m). It is expressed as log(k/k0) = mY + c, where k and k0 are rate constants in the solvent and a reference solvent, respectively.",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "Z-value",
    "Dimroth-Reichardt ET parameter",
    "ionizing power",
    "nucleophilicity",
    "polarity",
    "order of reaction",
    "solvolysis"
  ],
  "references": [
    "PAC, 1994, 66, 1077. 'Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)' on page 1118 (https://doi.org/10.1351/pac199466051077)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/grunwald-winstein-equation/"
}

Record 5,349 of 13,676 in Chemistry terminology (MLC-0109). Request the full dataset.