DP Chemistry (last assessment 2024)
Question 20N.1.sl.TZ0.25
| Date | November 2020 | Marks available | [Maximum mark: 1] | Reference code | 20N.1.sl.TZ0.25 |
| Level | sl | Paper | 1 | Time zone | TZ0 |
| Command term | State | Question number | 25 | Adapted from | N/A |
25.
[Maximum mark: 1]
20N.1.sl.TZ0.25
Which molecule will decolorize bromine water in the dark?
A. cyclohexane
B. hexane
C. hex-1-ene
D. hexan-1-ol
[1]
Markscheme
C
Examiners report
Two-thirds of candidates knew that hex-1-ene would decolourize bromine water in the dark.