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प्रश्न
Name the method of refining of metals such as Germanium.
Write the principle of method used for the refining of germanium
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उत्तर १
Zone refining method is the most suitable method for refining metals like germanium (semiconductor).
उत्तर २
Zone refining: Principle − Impurities are more soluble in the molten state of metal (the melt) than in the solid state.
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संबंधित प्रश्न
Explain:
Zone refining
Name the common elements present in the anode mud in electrolytic refining of copper. Why are they so present?
What criterion is followed for the selection of the stationary phase in chromatography?
Name the method of refining which is Used to obtain low boiling metal.
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.
Assertion: Zirconium can be purificed by Van Arkel method.
Reason: ZrI4 is volatile and decomposes at 1800 K.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
