Chemistry 9701 · 37 Analytical techniques
37.1 Thin-layer chromatography
Describe thin-layer chromatography principles, interpret Rf values, and explain separation based on phase interactions.
- Questions
- 8
- Years
- 2017–2023
- Multiple choice
- 0
- Written answer
- 8
- Average marks
- 10.8
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Where this subtopic appears
- Paper 4variants 41, 42, 436
- Paper 5variants 51, 532
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2023 | 1 | 2 | – | 3 |
| 2022 | 1 | 2 | – | 3 |
| 2019 | – | 1 | – | 1 |
| 2017 | – | – | 1 | 1 |
