DP Chemistry (first assessment 2025)
Question 19M.2.SL.TZ1.b(v)
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.2.SL.TZ1.b(v) |
| Level | SL | Paper | 2 | Time zone | TZ1 |
| Command term | State | Question number | b(v) | Adapted from | N/A |
b(v).
[Maximum mark: 1]
19M.2.SL.TZ1.b(v)
MnO2 is another possible catalyst for the reaction. State the IUPAC name for MnO2.
[1]
Markscheme
manganese(IV) oxide
OR
manganese dioxide [✔]
Note: Accept “manganese(IV) dioxide”.
Examiners report
A well answered question. Very few candidates had problem with nomenclature.
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.