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प्रश्न
Answer the following question with reference to the electrorefining of copper:
What is the anode made of?
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उत्तर
Impure copper is used to make the anode.
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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 one metal each occurring as :
An oxide
Electrolysis is used to obtain pure metal from impure metal.
\[\ce{Cu2S + 3Cu2O -> 6Cu + SO2}\]
The above process is:
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
An electrolytic cell consists of
- positively charged cathode
- negatively charged anode
- positively charged anode
- negatively charged cathode
What are the constituents of solder alloy? Which property of solder makes it suitable for welding electrical wires?
Answer the following questions with reference to the electrorefining of copper:
Write the reaction taking place at the cathode.
