DP Chemistry (last assessment 2024)
Question 19M.2.hl.TZ1.j
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.2.hl.TZ1.j |
| Level | hl | Paper | 2 | Time zone | TZ1 |
| Command term | Suggest | Question number | j | Adapted from | N/A |
j.
[Maximum mark: 1]
19M.2.hl.TZ1.j
This question is about sodium and its compounds.
The reaction of sodium peroxide with excess water produces hydrogen peroxide and one other sodium compound. Suggest the formula of this compound.
[1]
Markscheme
NaOH [✔]
Examiners report
Na2O was a common formula in many candidates’ answers for the product of the reaction of sodium peroxide with water.
