DP Chemistry (last assessment 2024)
Question 18M.3.sl.TZ2.19a
| Date | May 2018 | Marks available | [Maximum mark: 2] | Reference code | 18M.3.sl.TZ2.19a |
| Level | sl | Paper | 3 | Time zone | TZ2 |
| Command term | Identify | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
18M.3.sl.TZ2.19a
Antiviral medications such as zanamivir (Relenza) are commonly available for consumer use.
(a)
Identify the names of two functional groups present in zanamivir using section 37 of the data booklet.
[2]
Markscheme
Any two of:
hydroxyl
carboxyl/carbonyl
ether
amido/carbonyl
Accept “alcohol/hydroxy” for “hydroxyl”, “carboxylic acid” for “carboxyl” and “amide/carboxamide” for “amido”.
Accept “amino/amine” OR “imine/imino” but these are not correct as they are part of the guanidino group.
Accept “alkenyl/alkene/carbon to carbon double bond” but not “C=C” OR “carbon double bond”.
Accept “carbonyl” only once.
Accept “heterocyclic ring” for “ether”.
[2 marks]
