Describe the method of refining of nickel. – InterviewSolution

1.

Describe the method of refining of nickel.

Answer»

In the Method Process, Ni is heated in a stream of CO forming a volatile complex, which then decomposes at higher temperature to give Ni.

At 330-350 K Ni + 4CO → Ni(CO)₄

At 450-470 K Ni (CO)₄ → Ni + 4CO

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