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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.
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Outline the principles behind the refining of metals by the following methods:
Chromatographic method
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In the extraction of chlorine from brine:
(i) ∆GΘ for the overall reaction is negative.
(ii) ∆GΘ for the overall reaction is positive.
(iii) EΘ for overall reaction has negative value.
(iv) EΘ for overall reaction has positive value.
Which method is used for refining Zr and Ti? Explain with equation.
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.
Describe a method for refining nickel.
Describe a method for refining nickel.
