DP Chemistry (last assessment 2024)
Question 23M.1.SL.TZ2.19
| Date | May 2023 | Marks available | [Maximum mark: 1] | Reference code | 23M.1.SL.TZ2.19 |
| Level | SL | Paper | 1 | Time zone | TZ2 |
| Command term | Question number | 19 | Adapted from | N/A |
19.
[Maximum mark: 1]
23M.1.SL.TZ2.19
Which reaction represents the neutralization of a Brønsted–Lowry acid and base?
A. 2HCl (aq) + Zn (s) → ZnCl2 (aq) + H2 (g)
B. 2HCl (aq) + ZnO (s) → ZnCl2 (aq) + H2O (l)
C. 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (l)
D. C2H4 (g) + H2 (g) → C2H6 (g)
[1]
Markscheme
B