| Date | May 2011 | Marks available | 1 | Reference code | 11M.1.hl.TZ2.13 |
| Level | HL | Paper | 1 | Time zone | TZ2 |
| Command term | Determine | Question number | 13 | Adapted from | N/A |
Question
How many sigma and pi bonds are there in propyne, \({\text{C}}{{\text{H}}_{\text{3}}}{\text{CCH}}\)?
A. 2 sigma and 2 pi
B. 7 sigma and 1 pi
C. 6 sigma and 2 pi
D. 5 sigma and 3 pi
Markscheme
C
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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