DP Chemistry (last assessment 2024)
Question 20N.2.hl.TZ0.a
| Date | November 2020 | Marks available | [Maximum mark: 2] | Reference code | 20N.2.hl.TZ0.a |
| Level | hl | Paper | 2 | Time zone | TZ0 |
| Command term | Deduce | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
20N.2.hl.TZ0.a
Nitrogen monoxide reacts with oxygen gas to form nitrogen dioxide.
The following experimental data was obtained.
Deduce the partial order of reaction with respect to nitrogen monoxide and oxygen.
[2]
Markscheme
: second ✔
: first ✔
Examiners report
Most candidates could correctly deduce the order of each reactant from rate experimental rate data.