DP Chemistry (last assessment 2024)
Question 19M.1.sl.TZ2.21
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.1.sl.TZ2.21 |
| Level | sl | Paper | 1 | Time zone | TZ2 |
| Command term | Question number | 21 | Adapted from | N/A |
21.
[Maximum mark: 1]
19M.1.sl.TZ2.21
Which species contains nitrogen with the highest oxidation state?
A. NO3−
B. NO2−
C. NO2
D. N2O
[1]
Markscheme
A
Examiners report
It is pleasing that 85 % of the candidates identified the species containing nitrogen with the highest oxidation state.