DP Chemistry (first assessment 2025)
Question 19M.2.SL.TZ2.c(i)
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.2.SL.TZ2.c(i) |
| Level | SL | Paper | 2 | Time zone | TZ2 |
| Command term | State | Question number | c(i) | Adapted from | N/A |
c(i).
[Maximum mark: 1]
19M.2.SL.TZ2.c(i)
State the name of this compound, applying IUPAC rules.
[1]
Markscheme
rhenium(III) chloride
OR
rhenium trichloride [✔]
Examiners report
More than half of the candidates named ReCl3 correctly. Common mistakes included “rhenium chloride” and “trichlororhenium”.
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.