Chemistry
Name:
(i) the product formed at the anode – during electrolysis of acidified water using platinum electrodes.
(ii) the metallic ions that should be present – in the electrolyte when an article made of copper is to be electroplated with silver.
Related Questions
The particles present in strong electrolytes are:
Select the correct answer from A, B, C and D:
A: only molecules
B: mainly ions
C: ions and molecules
D: only atomsWrite equations for the reactions taking place at the two electrodes during the electrolysis of:
(i) Acidified CuSO4 solution with copper electrodes.
(ii) Molten PbBr2 with inert electrodes. (mention clearly the name of the electrode in each case)
Give reasons why:
(i) Sodium Chloride will conduct electricity only in fused or aq. soln. state.
(ii) In the electroplating of an article with silver, the electrolyte sodium argentocyanide soln. is preferred over silver nitrate solution.
(iii) Although copper is a good conductor of electricity, it is a non-electrolyte.
Identify the substance underlined, in each of the following —
(i) The electrolyte used for electroplating an article with silver.
(ii) The particles present in a liquid such as kerosene, that is a non-electrolyte.