Which method is used to obtain pure nickel fr | vedclass

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(A) The Mond process is used for the refining of nickel. In this process,impure nickel is heated in a stream of carbon monoxide to form volatile nicke

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Mond process

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(A) The Mond process is used for the refining of nickel. In this process,impure nickel is heated in a stream of carbon monoxide to form volatile nickel tetracarbonyl,$Ni(CO)_4$. This complex is then decomposed at a higher temperature to obtain pure nickel: $Ni(s) + 4CO(g) \xrightarrow{330-350 \ K} Ni(CO)_4(g)$ $Ni(CO)_4(g) \xrightarrow{450-470 \ K} Ni(s) + 4CO(g)$

Which method is used to obtain pure nickel from impure nickel?

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