DP Chemistry (last assessment 2024)
Question 19M.2.sl.TZ1.3d
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.2.sl.TZ1.3d |
| Level | sl | Paper | 2 | Time zone | TZ1 |
| Command term | Suggest | Question number | d | Adapted from | N/A |
d.
[Maximum mark: 1]
19M.2.sl.TZ1.3d
This question is about compounds of sodium.
(d)
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 [✔]
Note: Accept correct equation showing NaOH as a product.
Examiners report
Some students correctly identified sodium hydroxide as the correct product, but hydrogen, oxygen and sodium oxide were common answers.
