α

{
  "id": "MLC-T-CHM-000025",
  "term": "α",
  "field": "Chemistry",
  "definition": "A symbol with several meanings in physical organic chemistry, most often the Brønsted coefficient for general acid catalysis, the slope of a plot of the logarithm of a rate constant against the logarithm of the acid dissociation constants of the proton donors. A value near 1 means the proton is almost fully transferred at the transition state, and a value near 0 means very little has transferred. The matching coefficient for varying the base or nucleophile is written beta.",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "Leffler’s relation"
  ],
  "references": [
    "PAC, 2022, 94, 353. 'Glossary of terms used in physical organic chemistry (IUPAC Recommendations 2021)' on page 368 (https://doi.org/10.1515/pac-2018-1010)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/a-term/"
}