DP Chemistry (first assessment 2025)
Question 21M.2.HL.TZ2.a
Date | May 2021 | Marks available | [Maximum mark: 2] | Reference code | 21M.2.HL.TZ2.a |
Level | HL | Paper | 2 | Time zone | TZ2 |
Command term | Determine | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
21M.2.HL.TZ2.a
Determine the rate expression for the reaction.
[2]
Markscheme
BrO3–: 1/first AND Br–: 1/first AND H+: 2/second ✓
«Rate =» k[BrO3−][Br−][H+]2 ✓
M2: Square brackets required for the mark.