In the leaching of gold with cyanide, the role of oxygen is BEST described as:
Reducing agent, converting gold ions to metallic gold.
Complexing agent, directly forming a soluble gold complex.
Oxidizing agent, facilitating the formation of a soluble gold complex.
Catalyst, speeding up the dissolution process without being consumed.
Related Questions
Which method is most suitable for concentrating an ore containing iron oxide?
Magnetic Separation
Froth Flotation
Leaching
Liquation
