DP Chemistry (first assessment 2025)
Question 22M.2.SL.TZ1.c(i)
| Date | May 2022 | Marks available | [Maximum mark: 1] | Reference code | 22M.2.SL.TZ1.c(i) |
| Level | SL | Paper | 2 | Time zone | TZ1 |
| Command term | Apply, State | Question number | c(i) | Adapted from | N/A |
c(i).
[Maximum mark: 1]
22M.2.SL.TZ1.c(i)
State the name of Compound A, applying International Union of Pure and Applied Chemistry (IUPAC) rules.
[1]
Markscheme
propanone ✔
Accept 2-propanone and propan-2-one.
Examiners report
Even though superfluous numbers (2-propanone, propan-2-one) were overlooked, only about half of the students could correctly name this simple molecule.
Syllabus sections
Structure 3. Classification of matter » Structure 3.2—Functional groups: Classification of organic compounds » Structure 3.2.5—“IUPAC nomenclature” refers to a set of rules used by the International Union of Pure and Applied Chemistry to apply systematic names to organic and inorganic compounds. Apply IUPAC nomenclature to saturated or mono-unsaturated compounds that have up to six carbon atoms in the parent chain and contain one type of the following functional groups: halogeno, hydroxyl, carbonyl, carboxyl.