DP Chemistry (first assessment 2025)
Question 22M.2.SL.TZ1.5a(i)
| Date | May 2022 | Marks available | [Maximum mark: 1] | Reference code | 22M.2.SL.TZ1.5a(i) |
| Level | SL | Paper | 2 | Time zone | TZ1 |
| Command term | Apply, State | Question number | a(i) | Adapted from | N/A |
a(i).
[Maximum mark: 1]
22M.2.SL.TZ1.5a(i)
(a(i))
State the name of Compound B, applying International Union of Pure and Applied Chemistry (IUPAC) rules.
[1]
Markscheme
2-methylpropan-2-ol /2-methyl-2-propanol ✔
Accept methylpropan-2-ol/ methyl-2-propanol.
Do not accept 2-methylpropanol.
Examiners report
Naming the organic compound using IUPAC rules was generally done well.
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.