DP Chemistry (last assessment 2024)
Question 22M.2.hl.TZ2.4a(ii)
| Date | May 2022 | Marks available | [Maximum mark: 1] | Reference code | 22M.2.hl.TZ2.4a(ii) |
| Level | hl | Paper | 2 | Time zone | TZ2 |
| Command term | Deduce | Question number | a(ii) | Adapted from | N/A |
a(ii).
[Maximum mark: 1]
22M.2.hl.TZ2.4a(ii)
Hydrogen and iodine react to form hydrogen iodide.
H2 (g) + 2 (g) 2H (g)
The following experimental data was obtained.
(a(ii))
Deduce the rate expression for the reaction.
[1]
Markscheme
Rate=k [H2] [2]
