DP Chemistry (last assessment 2024)
Question 19M.2.hl.TZ1.3j
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.2.hl.TZ1.3j |
| Level | hl | Paper | 2 | Time zone | TZ1 |
| Command term | Suggest | Question number | j | Adapted from | N/A |
j.
[Maximum mark: 1]
19M.2.hl.TZ1.3j
This question is about sodium and its compounds.
(j)
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.
