DP Chemistry (last assessment 2024)
Question 20N.3.sl.TZ0.a(i)
| Date | November 2020 | Marks available | [Maximum mark: 2] | Reference code | 20N.3.sl.TZ0.a(i) |
| Level | sl | Paper | 3 | Time zone | TZ0 |
| Command term | Name | Question number | a(i) | Adapted from | N/A |
a(i).
[Maximum mark: 2]
20N.3.sl.TZ0.a(i)
Consider the structures of medicinal molecules in section 37 of the data booklet.
Name two functional groups that both zanamivir and oseltamivir contain.
[2]
Markscheme
Any two:
«secondary» carboxamide/amido ✔
ether ✔
carbonyl ✔
Accept amide
Accept amino/amine.
Accept alkenyl/alkene.
Do not accept formula.
Examiners report
Most students scored both marks here. Some students with incorrect answers gave carboxylic acid/carboxyl, benzene/arene, and ester.
