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प्रश्न
Out of Cu and Ag, which is more active?
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उत्तर
Copper is more active than Ag.
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संबंधित प्रश्न
Give reasons why In the electroplating of an article with silver, the electrolyte sodium argentocyanide solution is preferred over silver nitrate solution.
Copy and complete the following table:
| Anode | Electrolyte | |
| Purification of copper |
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
Give one word or phrase for the following:
Electrolytic deposition of a superior metal on a baser metal.
Give reason for the following:
The blue colour of aqueous copper sulphate fades when it is electrolysed using platinum electrodes.
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.
The electrolyte used for electroplating an article with silver is ______.
Draw a labelled diagram to show how iron is electroplated with copper.
Which solution is preferred as electrolyte, CuSO4 or FeSO4?
