Kolbe Electrolysis
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2CH3COO− → C2H6 + 2CO2 + 2e−
Übersicht
Kolbe electrolysis oxidizes carboxylate anions at the anode, decarboxylating them to form alkyl radicals that dimerize. Two acetate ions lose CO₂ to form two methyl radicals that couple to produce ethane. This is one of the oldest electroorganic reactions, discovered in 1849.
Teilnehmer
| Rolle | Substanz | Koeffizient | Zustand |
|---|---|---|---|
| Reaktant | Acetic Acid CH₃COOH | 2 | (aq) |
| Produkt | Ethane C₂H₆ | 1 | (g) |
| Produkt | Carbon Dioxide CO₂ | 2 | (g) |
Alltägliches Beispiel
The Kolbe reaction demonstrates how electricity can drive chemical reactions, connecting organic chemistry to electrochemistry.
Industrielle Bedeutung
Kolbe electrolysis has been used to synthesize long-chain hydrocarbons from fatty acid salts and is being explored for renewable fuel production.
Eigenschaften
- Typ
- Organic
- Reversibel
- Nein
- Energie
- Endotherm