Dissociative adsorption

{
  "id": "MLC-T-CHM-003323",
  "term": "Dissociative adsorption",
  "field": "Chemistry",
  "definition": "The process by which a molecule, upon interacting with a surface, breaks apart into two or more atomic or molecular fragments that become independently bonded to the surface sites. This type of adsorption involves the cleavage of one or more intramolecular bonds within the adsorbing species. For example, hydrogen gas (H2) can dissociatively adsorb onto a platinum surface, forming two separate hydrogen atoms bonded to the metal.",
  "synonyms": [
    "dissociative chemisorption"
  ],
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "adsorption",
    "adsorbent",
    "coordination",
    "dissociation"
  ],
  "references": [
    "PAC, 1976, 46, 71. 'Manual of Symbols and Terminology for Physicochemical Quantities and Units - Appendix II. Definitions, Terminology and Symbols in Colloid and Surface Chemistry. Part II: Heterogeneous Catalysis' on page 76 (https://doi.org/10.1351/pac197646010071)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/dissociative-adsorption/"
}