Question

Solid copper sulphate does not conduct electricity, but when it is dissolved in water it does conduct electricity. Why?

Answer 1

Solid copper sulphate does not conduct electricity but when it is dissolved in water, it does conduct electricity. The reason is:-

⚫ In solid state, copper sulphate is a non electrolyte i.e; it does not dissociate into ions when the passage of electric current takes place.

⚫ But when we dissolve it in water, this copper sulphate becomes copper sulphate solution and it becomes capable of dissociating into negative and positive ions where the negative ions get attracted to the anode and positive ions get attracted to the cathode.

⚫ Hence, copper sulphate conducts electricity in a solution state.