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प्रश्न
Answer the following questions with reference to the electrorefining of copper:
Write the reaction taking place at the cathode.
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उत्तर
Reaction at cathode
\[\ce{Cu^{2+} + 2e^{-} -> Cu(s)}\]
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संबंधित प्रश्न
What is aqua-regia?
Name one method for the refining of metals.
What is meant by refining of a metal? Name the most widely used method for the refining of impure metals obtained by various reduction processes. Describe this method with the help of a labelled diagram by taking the example of any metal.
Name any five metals which are purified by electrolytic refining method.
During the refining of an impure metal by electrolysis, the pure metal is a deposited ______.
Draw a neat labelled diagram.
Froth floatation method.
Name one metal each occurring as :
A sulphine
Name one metal each occurring as :
A carbonate
\[\ce{Cu2S + 3Cu2O -> 6Cu + SO2}\]
The above process is:
An electrolytic cell consists of
- positively charged cathode
- negatively charged anode
- positively charged anode
- negatively charged cathode
