DP Chemistry (last assessment 2024)
Question 19M.3.hl.TZ1.b(i)
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.hl.TZ1.b(i) |
| Level | hl | Paper | 3 | Time zone | TZ1 |
| Command term | Identify | Question number | b(i) | Adapted from | N/A |
b(i).
[Maximum mark: 1]
19M.3.hl.TZ1.b(i)
Lithium has many uses.
The emission spectra obtained by ICP-OES for a mixture containing the isotope 6Li (Li-6) and naturally occurring lithium (Li (N)) is shown.
Identify the colour of the emission spectrum of lithium using section 17 of the data booklet.
[1]
Markscheme
red [✔]
Examiners report
Most candidates correctly identified the type of bonding and the colour of the emission spectrum of lithium.
