DP Chemistry (last assessment 2024)
Question 19M.1.sl.TZ1.22
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.1.sl.TZ1.22 |
| Level | sl | Paper | 1 | Time zone | TZ1 |
| Command term | Question number | 22 | Adapted from | N/A |
22.
[Maximum mark: 1]
19M.1.sl.TZ1.22
Which is the species oxidized and the oxidizing agent in the reaction?
MnO2 (s) + 4HCl (aq) → MnCl2 (aq) + Cl2 (g) + 2H2O (l)
[1]
Markscheme
D
Examiners report
This question on identifying oxidizing agents was well answered by high scoring candidates, but not handled well by low scoring candidates.