Advertisements
Advertisements
Question
Answer the following question with reference to the electrorefining of copper:
What is the anode made of?
Solution
Impure copper is used to make the anode.
APPEARS IN
RELATED QUESTIONS
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.
Name one metal each occurring as :
A sulphine
Name one metal each occurring as :
A carbonate
What are the constituents of solder alloy? Which property of solder makes it suitable for welding electrical wires?
Give the formulae of the stable binary compounds that would be formed by the combination of following pairs of elements.
- Mg and N2
- Li and O2
- Al and Cl2
- K and O2
Identify the terms for the following:
The electrode where reduction takes place.
A reddish-brown metal ‘X’, when heated in air, gives a black compound ‘Y’, which when heated in the presence of H2 gas gives ‘X’ back. ‘X’ is refined by the process of electrolysis; this refined form of ‘X’ is used in electrical wiring. Identify ‘X’ and ‘Y’. Draw a well-labelled diagram to represent the process of refining ‘X’.
Answer the following question with reference to the electrorefining of copper:
What do you observe at the cathode?
