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Question
Give one word or phrase for the following:
Electrolytic deposition of a superior metal on a baser metal.
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Solution
Electroplating
RELATED QUESTIONS
State one relevant observation for the following:
At the anode when aqueous copper sulphate solution is electrolysed using copper electrodes.
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.
Give three applications of electrolysis.
The following question relate to the electroplating of an article with silver.
What ions must be present in the electrolyte?
The following question relate to the electroplating of an article with silver.
What should be the nature of the anode?
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.
A solution of silver nitrate is a good electrolyte but is not used for electroplating an article with silver.
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?
