DP Chemistry (last assessment 2024)
Question 23M.1.SL.TZ2.1
| Date | May 2023 | Marks available | [Maximum mark: 1] | Reference code | 23M.1.SL.TZ2.1 |
| Level | SL | Paper | 1 | Time zone | TZ2 |
| Command term | Question number | 1 | Adapted from | N/A |
1.
[Maximum mark: 1]
23M.1.SL.TZ2.1
Which is the correct equation for the electrolysis of molten sodium chloride?
A. 2NaCl (l) → 2Na (l) + Cl2 (g)
B. 2NaCl (s) → 2Na (s) + Cl2 (g)
C. 2NaCl (l) → 2Na (s) + Cl2 (g)
D. 2NaCl (aq) → 2Na (s) + Cl2 (g)
[1]
Markscheme
A