Advertisements
Advertisements
Question
The following question relate to the electroplating of an article with silver.
Name the electrode formed by the article which is to be plated.
Advertisements
Solution
The article to be plated must be made Cathode.
APPEARS IN
RELATED QUESTIONS
Name the following :
The process of coating of iron with zinc
An electrolytic cell is set up using two platinum electrodes and an aqueous solution of copper (II) sulphate,
(a)draw a labelled diagram of the electrolytic cell,
(b)Name the ions present in the cell,
(c)Name the ions migrating towards the anode,
(d)Name the ions migrating towards the cathode,
(e)Name the ions which will not be discharged at electrodes during electrolysis,
(f)Write the reaction at the cathode,
(g)Write the reaction at the anode,
(h)Name the spectator ion in the solution.
Give reason for the following:
For electroplating with silver, silver nitrate is not used as an electrolyte.
How is impure copper purified by electrolysis ? Explain.
What ions must be present in a solution used for electroplating a particular metal?
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
Draw a labelled diagram to show how iron is electroplated with copper.
Describe what happens to the iron object and the copper rod.
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?
