| Product | Reaction equation | Number of electrons transferred |
|---|---|---|
| CO | CO2 + 2H+ + 2e⁻ → CO + H2O | 2 |
| HCOOH | CO2 + 2H+ + 2e⁻ → HCOOH | 2 |
| CH3OH | CO2 + 6H+ + 6e⁻ → CH3OH + H2O | 6 |
| CH4 | CO2 + 8H+ + 8e⁻ → CH4 + 2H2O | 8 |
| C2H4 | 2CO2 + 12H+ + 12e⁻ → C2H4+ 4H2O | 12 |
| C2H5OH | 2CO2 + 12H+ + 12e⁻ → C2H5OH + 3H2O | 12 |
