Question

The minerals associated with redox reactions are:

• A. Iron and copper
• B. Iron and phosphorus
• C. Copper and zinc
• D. Copper and chlorine

Answer 1

The correct option is A

Iron and copper

Iron and copper can exist in two states of oxidation, i.e. $F{e}^{2+}$and (Fe^{3+}\) and Cu⁺ and (Fe^{2+}\)respectively. They are usually associated with enzymes involved in redox reactions like the Electron Transport Chain.