MetallurgyHard
Question
Which method is not correctly matched for refining of crude metals ?
Options
A.Distillation : zinc and mercury
B.Liquation : tin
C.Van Arkel : titatnium
D.Mond process : lead
Solution
H2O + C(red hot) → CO (g) + H2 (g) ; Ni(s) + 4CO (g) 
[Ni(CO)4] (g) ;
[Ni(CO)4] (g)
Ni(s) + 4CO (g). So Mond process is used for the purification of nickel.
[Ni(CO)4] (g) ; [Ni(CO)4] (g)
Ni(s) + 4CO (g). So Mond process is used for the purification of nickel.Create a free account to view solution
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