DP Chemistry (last assessment 2024)
Question 22M.2.hl.TZ1.6a(iv)
| Date | May 2022 | Marks available | [Maximum mark: 1] | Reference code | 22M.2.hl.TZ1.6a(iv) |
| Level | hl | Paper | 2 | Time zone | TZ1 |
| Command term | State | Question number | a(iv) | Adapted from | N/A |
a(iv).
[Maximum mark: 1]
22M.2.hl.TZ1.6a(iv)
Nitric acid is usually produced by the oxidation of ammonia.
(a(iv))
State a technique used to determine the length of the bonds between N and O in solid HNO3.
[1]
Markscheme
X-ray crystallography ✔
Examiners report
A majority could not state the technique to determine length of bonds; answers included NMR, IR, and such instead of X-ray crystallography.
