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Outline the principle of the method used...

Outline the principle of the method used for refining of
Nickel.

Text Solution

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Nickel is refined by vapour phase refining (Mond.s process)
`{:(Ni+4CO overset(330-350K)(to)Ni(CO)_(4)),(" Nickel carbonyl "):}`
Nickel carbonyl is subjected to higher temperature when it decomposes to give pure nickel.
`Ni(CO)_(4) overset(450-470K)(to) Ni + 4CO`.
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  9. Outline the principle of the method used for refining of Nickel.

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  10. Outline the principle of the method used for refining of Zirconium.

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  11. Outline the principle of the method used for refining of Tin.

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  20. Name the method used for the refining of Zr.

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