Advertisements
Advertisements
Question
The following question relate to the electroplating of an article with silver.
What should be the nature of the anode?
Solution
The metal to be plated on the article must be made anode. It needs to be periodically replaced.
APPEARS IN
RELATED QUESTIONS
Identify the substance underlined, in the following case
The electrolyte used for electroplating an article with silver.
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.
Give three 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).
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 |
Describe what happens to the iron object and the copper rod.
What ions must be present in a solution used for electroplating a particular metal?
