oxidation is the loss of electrons reduction is the gain of electrons Balance the half equation for the formation of aluminium during electrolysis: Al 3+ + e-→ Al. The balanced half equation is: ...

Carboxylic acids can undergo reduction reactions. Reduction is the opposite of oxidation. For example, ethanoic acid (CH 3 COOH) can be formed by the oxidation of ethanol as shown below.

Two of the most highly debated faults in wine are oxidation and reduction. Goode explains that in chemical reactions, oxidation and reduction are opposites, but in wine, they aren’t.