DP Chemistry (last assessment 2024)
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)
Rhenium, Re, was the last element with a stable isotope to be isolated.
One chloride of rhenium has the empirical formula ReCl3.
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”.
