DP Chemistry (last assessment 2024)
Question 22M.1.sl.TZ2.21
| Date | May 2022 | Marks available | [Maximum mark: 1] | Reference code | 22M.1.sl.TZ2.21 |
| Level | sl | Paper | 1 | Time zone | TZ2 |
| Command term | Identify | Question number | 21 | Adapted from | N/A |
21.
[Maximum mark: 1]
22M.1.sl.TZ2.21
Which species could be reduced to form NO2?
A. N2
B. NO3−
C. HNO2
D. NO
[1]
Markscheme
B
Examiners report
58% of the candidates were able to identify the species that could be reduced to form NO2. The most commonly chosen distractor was HNO2.