DP Chemistry (last assessment 2024)
Question 19M.2.hl.TZ1.5a
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.2.hl.TZ1.5a |
| Level | hl | Paper | 2 | Time zone | TZ1 |
| Command term | Outline | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
19M.2.hl.TZ1.5a
Both vinegar (a dilute aqueous solution of ethanoic acid) and bleach are used as cleaning agents.
(a)
Outline why ethanoic acid is classified as a weak acid.
[1]
Markscheme
partial dissociation «in aqueous solution» [✔]
Examiners report
Majority of candidates understood weak acids do not fully dissociate.
