What type of extraction is the carbon monoxide reduction process used for?

Fe

The correct answer is option 3. Fe.

Out of the listed options, the metal most likely to be extracted using the carbon monoxide reduction process is  Fe (Iron)

The carbon monoxide reduction process is commonly used in the extraction of iron from its ores. This process is also known as carbothermic reduction or smelting.

In this method, iron oxide ore (like hematite, Fe2O3) is heated in the presence of carbon (coke or charcoal). Carbon monoxide (CO) produced during the heating process acts as the reducing agent, taking oxygen away from the iron oxide:

\(Fe_2O_3 (s) + 3 CO (g) \longrightarrow 2 Fe (s) + 3 CO_2 (g)\)

The reduced iron metal separates from the gaseous products and is collected.

Other metals:

While carbon monoxide can be involved in some reduction processes for other metals, it's not the most common method for extracting copper (Cu), silver (Ag), or tin (Sn). These metals can be extracted using different techniques like electrolysis or hydrometallurgy.

Note: The specific extraction method used for a particular metal depends on various factors, including the type of ore, its reactivity, and economic considerations.