Which of the following metals is refined by vapour phase refining in Mond process?

Which of the following metals is refined by vapour phase refining in Mond process?
  1. Zn
  2. Si
  3. Ni
  4. Zr

Solution

$\mathbf{N i}$ The vapour phase refining technique refines nickel (Ni) metal. Nickel interacts with carbon monoxide to generate highly volatile nickel tetracarbonyl, which decomposes at high temperatures to yield pure nickel metal.

Asked in: MHT CET 2020 (16 Oct Shift 2)

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