Advertisements
Advertisements
प्रश्न
Draw a labelled diagram to show how iron is electroplated with copper.
Advertisements
उत्तर
संबंधित प्रश्न
Give reasons why In the electroplating of an article with silver, the electrolyte sodium argentocyanide solution is preferred over silver nitrate solution.
Choose the correct answer from the options given below:
The electrolyte used for electroplating an article with silver is
A. Silver nitrate solution
B. Silver cyanide solution
C. Sodium argentocyanide solution
D. Nickel sulfate solution
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 reason for the following:
For electroplating with silver, silver nitrate is not used as an electrolyte.
Explain the term:
Electro refining
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.
What ions must be present in a solution used for electroplating a particular metal?
