Question

explain the role of each of the following in the extraction of metals from their co in the extraction of nickel​

Answer 1

Answer:

Impure nickel is heated in a stream of carbon monoxide when volatile nickel tetracarbonyl is formed and the impurities are left behind in the solid state. The vapour of nickel tetra carbonyl is taken to a decomposer chamber maintained at 450–470 K where it decomposes to give pure nickel metal and carbon monoxide