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General Principles and processes of Isolation of Elements
medium
The Mond process is used for the
A
Extraction of $Mo$
B
Extraction of $Zn$
C
Purification of $Zr$ and $Ti$
D
Purification of $Ni$
(JEE MAIN-2019)
Solution
The mond’s process is used for refining of nickel as per following reaction.
$\mathop {Ni}\limits_{{\text{Impure}}} + CO\left( g \right)\xrightarrow[{330 – 350\,K}]{\Delta }Ni{\left( {CO} \right)_4}\left( l \right)\xrightarrow[{450 – 470\,K}]{\Delta }\mathop {Ni\left( s \right)}\limits_{{\text{Pure}}} + 4CO\left( g \right)$
Standard 12
Chemistry
