DP Chemistry (last assessment 2024)
Question 19M.2.sl.TZ1.3e
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.2.sl.TZ1.3e |
| Level | sl | Paper | 2 | Time zone | TZ1 |
| Command term | State | Question number | e | Adapted from | N/A |
e.
[Maximum mark: 1]
19M.2.sl.TZ1.3e
This question is about compounds of sodium.
(e)
State the oxidation number of carbon in sodium carbonate, Na2CO3.
[1]
Markscheme
IV [✔]
Examiners report
Oxidation number of +4 was often correctly identified.
