Why coke acts as a reducing agent?

Coke acts as a reducing agent primarily because it contains carbon, which can donate electrons during a chemical reaction. In processes such as the reduction of metal oxides in Metallurgy, coke reacts with oxygen in the metal oxide, reducing it to its elemental form while itself being oxidized to carbon dioxide or carbon monoxide. This electron transfer facilitates the reduction process, making coke an effective reducing agent in high-temperature reactions.