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प्रश्न
Name the method used for the refining of Nickel metal.
Name the method of refining of nickel.
Name the method that is used for refining of nickel.
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उत्तर १
The Mond process (vapour phase refining) is used to refine nickel.
उत्तर २
Method used for refining of nickel metal is Mond’s process. In this process nickel is heated in a steam of carbon monoxide, which yields in the formation of nickel carbonyl.
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संबंधित प्रश्न
Explain the principle of the method of electrolytic refining of metals. Give one example.
Name the method of refining which is Used to obtain low boiling metal.
Match the items of Column I with the items of Column II and assign the correct code:
| Column I | Column II |
| (A) Coloured bands | (1) Zone refining |
| (B) Impure metal to volatile complex | (2) Fractional distillation |
| (C) Purification of Ge and Si | (3) Mond Process |
| (D) Purification of mercury | (4) Chromatography |
| (5) Liquation |
Assertion: Nickel can be purified by Mond process.
Reason: \[\ce{Ni(CO)4}\] is a volatile compound which decomposes at 460 K to give pure Ni.
Assertion: Hydrometallurgy involves dissolving the ore in a suitable reagent followed by precipitation by a more electropositive metal.
Reason: Copper is extracted by hydrometallurgy.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
