| Date | May 2012 | Marks available | 1 | Reference code | 12M.1.hl.TZ2.13 |
| Level | HL | Paper | 1 | Time zone | TZ2 |
| Command term | Question number | 13 | Adapted from | N/A |
Question
Retinol (vitamin A) contains a total of 5 double bonds and 46 single bonds.
Which statements are correct?
I. There are 51 \(\sigma \) and 5 \(\pi \) bonds.
II. The oxygen atom is \({\text{s}}{{\text{p}}^{\text{3}}}\) hybridized.
III. Retinol is a primary alcohol.
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
Markscheme
D
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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