DP Chemistry (last assessment 2024)
Question 22M.2.sl.TZ1.a(i)
| Date | May 2022 | Marks available | [Maximum mark: 1] | Reference code | 22M.2.sl.TZ1.a(i) |
| Level | sl | Paper | 2 | Time zone | TZ1 |
| Command term | Deduce | Question number | a(i) | Adapted from | N/A |
a(i).
[Maximum mark: 1]
22M.2.sl.TZ1.a(i)
When heated in air, magnesium ribbon reacts with oxygen to form magnesium oxide.
Write a balanced equation for the reaction that occurs.
[1]
Markscheme
2 Mg(s) + O2(g) → 2 MgO(s) ✔
Do not accept equilibrium arrows. Ignore state symbols
Examiners report
This was not as well done as one might have expected with the most common errors being O instead of O2 oxygen and MgO rather than MgO2.
