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प्रश्न
Out of Cu and Ag, which is more active?
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उत्तर
Copper is more active than Ag.
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संबंधित प्रश्न
Name the following :
The process of coating of iron with zinc
Name the metallic ions that should be present in the electrolyte when an article made of copper is to be electroplated with silver.
Give one word or phrase for the following:
Electrolytic deposition of a superior metal on a baser metal.
State the electrode reaction at the anode during electrolysis of:
Aqueous copper sulphate solution.
How is impure copper purified by electrolysis ? Explain.
List out the main applications of electrolysis.
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.
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?
