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प्रश्न
Copy and complete the following table:
| Anode | Electrolyte | |
| Purification of copper |
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उत्तर
| Anode | Electrolyte | |
| Purification of copper | Impure copper | Solution of copper sulphate and dilute sulphuric acid |
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संबंधित प्रश्न
Identify the substance underlined, in the following case
The electrolyte used for electroplating an article with silver.
Give reasons why In the electroplating of an article with silver, the electrolyte sodium argentocyanide solution is preferred over silver nitrate solution.
Choose the correct answer from the options given below:
The electrolyte used for electroplating an article with silver is
A. Silver nitrate solution
B. Silver cyanide solution
C. Sodium argentocyanide solution
D. Nickel sulfate solution
Out of Cu and Ag, which is more active?
An electrolytic cell is set up using two platinum electrodes and an aqueous solution of copper (II) sulphate,
(a)draw a labelled diagram of the electrolytic cell,
(b)Name the ions present in the cell,
(c)Name the ions migrating towards the anode,
(d)Name the ions migrating towards the cathode,
(e)Name the ions which will not be discharged at electrodes during electrolysis,
(f)Write the reaction at the cathode,
(g)Write the reaction at the anode,
(h)Name the spectator ion in the solution.
State the electrode reaction at the anode during electrolysis of:
Aqueous copper sulphate solution.
The following question relate to the electroplating of an article with silver.
Name the electrode formed by the article which is to be plated.
A solution of silver nitrate is a good electrolyte but is not used for electroplating an article with silver.
The electrolyte used for electroplating an article with silver is ______.
Copy and complete the following table :
| Anode | Electrolyte | |
| Purification of copper |
