| Date | May 2017 | Marks available | 1 | Reference code | 17M.1.hl.TZ1.13 |
| Level | HL | Paper | 1 | Time zone | TZ1 |
| Command term | Identify | Question number | 13 | Adapted from | N/A |
Question
Which species have resonance structures?
I. Ozone, O3
II. Carbon dioxide, CO2
III. Benzene, C6H6
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
Markscheme
B
Examiners report
[N/A]
Syllabus sections
Additional higher level (AHL) » Topic 14: Chemical bonding and structure » 14.1 Covalent bonding and electron domain and molecular geometries
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