DP Chemistry (last assessment 2024)
Question 19M.3.hl.TZ2.22c
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.hl.TZ2.22c |
| Level | hl | Paper | 3 | Time zone | TZ2 |
| Command term | Outline | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 1]
19M.3.hl.TZ2.22c
A student synthesized aspirin, acetylsalicylic acid, in a school laboratory.
(c)
Outline how aspirin can be chemically modified to increase its solubility in water.
[1]
Markscheme
convert to a salt
OR
react with sodium hydroxide [✔]
Note: Accept other reactions forming soluble salts.
Accept “to ionize” but not “more polar”.
Examiners report
This part was reasonably answered by most candidates.
