DP Chemistry (last assessment 2024)
Question 20N.1.sl.TZ0.26
| Date | November 2020 | Marks available | [Maximum mark: 1] | Reference code | 20N.1.sl.TZ0.26 |
| Level | sl | Paper | 1 | Time zone | TZ0 |
| Command term | Apply | Question number | 26 | Adapted from | N/A |
26.
[Maximum mark: 1]
20N.1.sl.TZ0.26
What is the IUPAC name of this molecule?
A. 1,1,2,4-tetramethylpent-1-ene
B. 2,4,5-trimethylhex-4-ene
C. 2,4,5,5-tetramethylpent-4-ene
D. 2,3,5-trimethylhex-2-ene
[1]
Markscheme
D
Examiners report
It was good to see that 2/3 of candidates could pick a preferred IUPAC name from a skeletal structure.