The following equation represents a method of purification of nickel by, $\begin{array}{l} {\rm{Ni}} + 2{\rm{CO}}\xrightarrow{{320\;K}}{\rm{Ni}}{\left( {{\rm{CO}}} \right)_4}\xrightarrow{{420\;K}}{\rm{Ni}} + 4{\rm{CO}}\\ Impure\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;Pure \end{array}$ This method is:

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JEE CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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The following equation represents a method of purification of nickel by,

\begin{array}{l} \mathrm{Ni} + 2\mathrm{CO}\xrightarrow{{320\;K}}\mathrm{Ni}{\left( {\mathrm{CO}} \right)_4}\xrightarrow{{420\;K}}\mathrm{Ni} + 4\mathrm{CO}\\ Impure\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;Pure \end{array}

This method is:

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Correct option: B

Mond’s process

Option B (Mond’s process) is correct because Mond's process is specifically used for the purification of nickel through the formation and decomposition of nickel carbonyl.

JEE CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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