(a) Copy and complete the following table which refers to two practical applications of electrolysis
AnodeElectrolyteCathode(i) Silver platingSolution of of a spoonpotassiumargentocyanide(ii) Purification Of copper(iii) Extraction Of sodium
(b) Write equations of reactions taking place at anode for Q.2(a).
The following questions refer to the electrolysis of CuSO4 solution with copper electrodes.
(i) What is the change in the mass of cathode and anode?
(ii) What will happen to the colour of the electrolyte if platinum electrodes are used? Explain.
(iii) Briefly, describe one practical application of electrolysis of CuSO4 solution.