Which of the following statements concerning the electrolysis of concentrated copper(II) chloride are correct? 1. Electrons pass from the cathode to the copper(II) ions. 2. Electrons travel around the external circuit from the cathode to the anode. 3. Chloride ions move towards the anode. 4. Hydroxide ions pass electrons to the cathode.
- A1 and 3
- B1 and 4
- C2 and 3
- D2 and 4