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प्रश्न
Answer the following questions with reference to the electrorefining of copper:
Write the reaction taking place at the cathode.
उत्तर
Reaction at cathode
\[\ce{Cu^{2+} + 2e^{-} -> Cu(s)}\]
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संबंधित प्रश्न
Name one method for the refining of metals.
How are metals refined by the electrolytic process? Describe the electrolytic refining of copper with the help of a neat labelled diagram.
Name any five metals which are purified by electrolytic refining method.
Explain how the following metals are obtained from their compounds by the reduction process:
(i) Metal M which is in the middle of the reactivity series.
(ii) Metal N which is high up in the reactivity series.
Give one example of each type
Draw a neat labelled diagram.
Magnetic separation method.
Name one metal each occurring as :
A carbonate
Electrolysis is used to obtain pure metal from impure metal.
Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining?
(i) Au
(ii) Cu
(iii) Na
(iv) K
Which one of the following figures correctly describes the process of electrolytic refining?
Answer the following question with reference to the electrorefining of copper:
What do you observe at the cathode?
