Multiple choice

Which of the following statements is not correct about electrolysis of concentrated NaCl solution?

  1. Both Na+ and H3O+ migrate to cathode.

  2. Concentration of H3O+ is higher than that of Na+.

  3. Both Cl- and OH- migrate to anode.

  4. Concentration of Cl- is higher than that of OH-.

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

The concentration of Na+ in this case is much higher than that of H3O+ in a highly concentrated solution of NaCl.