DP Chemistry (last assessment 2024)
Question 19M.1.hl.TZ1.31
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.1.hl.TZ1.31 |
| Level | hl | Paper | 1 | Time zone | TZ1 |
| Command term | Question number | 31 | Adapted from | N/A |
31.
[Maximum mark: 1]
19M.1.hl.TZ1.31
Which is not a requirement of the standard hydrogen electrode (SHE)?
A. V = 1 dm3
B. p(H2) = 100 kPa
C. use of platinum as the electrode material
D. [H3O+] = 1 mol dm−3
[1]
Markscheme
A
Examiners report
This was a poorly answered question on the standard hydrogen electrode. Many candidates believed what was not required was a Pt electrode material