DP Chemistry (last assessment 2024)
Question 22N.1.sl.TZ0.9
| Date | November 2022 | Marks available | [Maximum mark: 1] | Reference code | 22N.1.sl.TZ0.9 |
| Level | sl | Paper | 1 | Time zone | TZ0 |
| Command term | Deduce | Question number | 9 | Adapted from | N/A |
9.
[Maximum mark: 1]
22N.1.sl.TZ0.9
Which molecule can be represented by resonance structures?
A. H2S
B. HNO3
C. H2O2
D. HClO
[1]
Markscheme
B
Examiners report
A well-answered question. 57% of the candidates identified HNO3 as a molecule that can be represented by resonance structures.