Question

explain why the blue colour of copper chloride fades away gradually during electrolysis

Answer 1

The d -electrons of transition elements cause the compounds to be colored.

Copper sulphate has a blue colour because pentahydrate has the energy to give it blue color.

The blue colour of the solution of copper sulphate fades during electrolysis.

The reason behind it is that copper is produced at the negative electrode or cathode and the copper ions in the solution are used up.

Answer 2

Answer:down below i explanation

Explanation:

copper chloride solution is blue in color,but during electrolysis the blue color gradually fades away because copper chloride is being broken down .The solution becomes acidic because hydrochloric acid is formed.