Question

What happens when current is passed in the solution of copper sulphate having iron nail as -ve electrode (cathode) and copper rod as +ve electrode (anode)?
1 point
(a) Copper forms a layer on iron the nail.
(b) Iron gets deposited on the copper rod.
(c) Iron rod completely dissolves in the solution.
(d) Sulphur forms a layer on the walls of the beaker.

Answer 1

Answer:

copper forms a layer on the iron nail

Explanation:

Because when current is passed through this solution copper sulphate breaks into copper and sulphate and free copper gets deposited on -ve electrode i.e iron nail.

Answer 2

Answer:c)

Explanation: