DP Chemistry (last assessment 2024)
Question 18M.3.sl.TZ1.7c.ii
| Date | May 2018 | Marks available | [Maximum mark: 1] | Reference code | 18M.3.sl.TZ1.7c.ii |
| Level | sl | Paper | 3 | Time zone | TZ1 |
| Command term | Predict | Question number | c.ii | Adapted from | N/A |
c.ii.
[Maximum mark: 1]
18M.3.sl.TZ1.7c.ii
Saturated lipids found in butter and unsaturated lipids found in fish oil readily become rancid.
(c.ii)
Predict the solubility of retinol (vitamin A) in body fat, giving a reason. Use section 35 of the data booklet.
[1]
Markscheme
soluble AND non-polar hydrocarbon chain
Accept as reasons “«predominantly» non-polar” OR “long hydrocarbon chain”.
[1 mark]
