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प्रश्न
Give reasons why In the electroplating of an article with silver, the electrolyte sodium argentocyanide solution is preferred over silver nitrate solution.
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उत्तर
If silver nitrate solution is used directly instead of double cyanide of silver and sodium, the deposition of silver will be very fast and hence not very smooth and uniform.
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संबंधित प्रश्न
Copy and complete the following table:
| Anode | Electrolyte | |
| Purification of copper |
Out of Cu and Ag, which is more active?
How would you change Cu2+ ion to Cu?
Give reason for the following:
For electroplating with silver, silver nitrate is not used as an electrolyte.
Explain the term:
Electro refining
How is impure copper purified by electrolysis ? Explain.
The following question relate to the electroplating of an article with silver.
What ions must be present in the electrolyte?
The following questions are about electroplating of copper wire with silver.
(a) What ions must be present in the electrolyte?
(b) Of what substance must the anode be made up of?
(c) What will the cathode be made up of?
(d) Write the equation for the reaction which takes place at the cathode.
What ions must be present in a solution used for electroplating a particular metal?
What ions must be present in a solution used for electroplating a particular metal?
