DP Chemistry (last assessment 2024)
Question 18N.3.sl.TZ0.7a
| Date | November 2018 | Marks available | [Maximum mark: 2] | Reference code | 18N.3.sl.TZ0.7a |
| Level | sl | Paper | 3 | Time zone | TZ0 |
| Command term | Deduce | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
18N.3.sl.TZ0.7a
Lipids play several roles in our bodies.
(a)
A phospholipid generally consists of two hydrophobic fatty acids and a hydrophilic group.
Fatty acids are products of the acidic hydrolysis of phospholipids. Deduce the names of the other two products.
[2]
Markscheme
phosphoric acid ✔
glycerol/propane-1,2,3-triol ✔
Do not accept formulas.
