Multiple choice

What happens when copper chloride is electrolysed?

  1. Copper chloride is broken down to form copper.

  2. Chlorine gas is formed.

  3. It turns black in colour.

  4. Both 1 and 2

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

If electricity is passed through a copper chloride solution, copper chloride is broken down to form copper metal and chlorine gas. Positively charged ions move to the negative electrode during electrolysis.