Advertisements
Advertisements
प्रश्न
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
उत्तर
The article to be plated must be made Cathode.
APPEARS IN
संबंधित प्रश्न
Name the metallic ions that should be present in the electrolyte when an article made of copper is to be electroplated with silver.
How would you change Cu2+ ion to Cu?
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.
Explain the term:
Electro refining
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.
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
The electrolyte used for electroplating an article with silver is ______.
Describe what happens to the iron object and the copper rod.
