DP Chemistry (last assessment 2024)
Question 18M.1.hl.TZ1.40
| Date | May 2018 | Marks available | [Maximum mark: 1] | Reference code | 18M.1.hl.TZ1.40 |
| Level | hl | Paper | 1 | Time zone | TZ1 |
| Command term | State | Question number | 40 | Adapted from | N/A |
40.
[Maximum mark: 1]
18M.1.hl.TZ1.40
Which would be the most effective method to distinguish between liquid propan-1-ol and propan-2-ol?
A. Observation of colour change when warmed with acidified potassium dichromate
B. Determination of m/z value of molecular ion in the mass spectrum
C. Determination of percentage composition
D. 1H NMR spectroscopy
[1]
Markscheme
D