DP Chemistry (last assessment 2024)
Question 19M.3.hl.TZ2.a(ii)
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.hl.TZ2.a(ii) |
| Level | hl | Paper | 3 | Time zone | TZ2 |
| Command term | Identify | Question number | a(ii) | Adapted from | N/A |
a(ii).
[Maximum mark: 1]
19M.3.hl.TZ2.a(ii)
Phosphatidylcholine is an example of a phospholipid found in lecithin.
Phosphatidylcholine may be formed from propane-1,2,3-triol, two lauric acid molecules, phosphoric acid and the choline cation.
Identify the type of reaction in (a).
[1]
Markscheme
condensation [✔]
Note: Accept “esterification”.
Accept “nucleophilic substitution/SN”.
Examiners report
This part was very well answered.
