Advertisements
Advertisements
प्रश्न
The following question relate to the electroplating of an article with silver.
What should be the nature of the anode?
Advertisements
उत्तर
The metal to be plated on the article must be made anode. It needs to be periodically replaced.
APPEARS IN
संबंधित प्रश्न
Name the metallic ions that should be present in the electrolyte when an article made of copper is to be electroplated with silver.
Copy and complete the following table:
| Anode | Electrolyte | |
| Purification of copper |
Give one word or phrase for the following:
Electrolytic deposition of a superior metal on a baser metal.
How would you change Cu2+ ion to Cu?
State the electrode reaction at the anode during electrolysis of:
Aqueous copper sulphate solution.
List out the main applications of electrolysis.
The following question relate to the electroplating of an article with silver.
What ions must be present in the electrolyte?
Element X is a metal with valency 2. Element Y is a non-metal with valency 3.
(a) Write equations to show how X and Y form ions.
(b) If Y is diatomic gas, write the equation for the direct combination of X and Y to form a compound.
(c) Write two applications of electrolysis in which anode diminish in mass.
(d) If the compound formed between X and Y is melted and an electric current passed through the molten compound, the element X will be obtained at the _____ and the Y at the ________of the electrolytic cell. (Provide the missing words).
Draw a labelled diagram to show how iron is electroplated with copper.
Which solution is preferred as electrolyte, CuSO4 or FeSO4?
