DP Chemistry (first assessment 2025)
Question 23M.2.SL.TZ2.10
Date | May 2023 | Marks available | [Maximum mark: 1] | Reference code | 23M.2.SL.TZ2.10 |
Level | SL | Paper | 2 | Time zone | TZ2 |
Command term | Outline | Question number | 10 | Adapted from | N/A |
10.
[Maximum mark: 1]
23M.2.SL.TZ2.10
Outline how the toxicity of xenobiotics is reduced using host–guest chemistry.
[1]
Markscheme
host molecule/super molecule forms complex/bond with guest/xenobiotic «facilitating their removal»
OR
shape/size of host matches guest/xenobiotic AND binds ✓
