Advertisements
Advertisements
प्रश्न
The following question relate to the electroplating of an article with silver.
What ions must be present in the electrolyte?
Advertisements
उत्तर
The ions of the metal which is to be electroplated must be present in the electrolyte.
APPEARS IN
संबंधित प्रश्न
Give one word or phrase for the following:
Electrolytic deposition of a superior metal on a baser metal.
Explain the term:
Electro refining
How is impure copper purified by electrolysis ? Explain.
List out the main applications of electrolysis.
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).
Mr Ramu wants electrolyte his key chain with nickel to prevent rusting. For this electroplating
(i) Name the electrolyte
(ii) Name the cathode
(iii) Name the anode
(iv) Give the reaction at the cathode
(v) Give the reaction at the anode
Copy and complete the following table :
| Anode | Electrolyte | |
| Purification of copper |
Draw a labelled diagram to show how iron is electroplated with copper.
Write two applications of electrolysis in which the anode diminishes in mass.
What ions must be present in a solution used for electroplating a particular metal?
