DP Chemistry (last assessment 2024)
Question 19M.3.hl.TZ1.b(ii)
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.hl.TZ1.b(ii) |
| Level | hl | Paper | 3 | Time zone | TZ1 |
| Command term | Identify | Question number | b(ii) | Adapted from | N/A |
b(ii).
[Maximum mark: 1]
19M.3.hl.TZ1.b(ii)
Aspirin can be obtained from salicylic acid.
Additional information can be obtained from the 1H NMR spectrum of aspirin.
Identify the splitting pattern of signals X and Y.
X:
Y:
[1]
Markscheme
X: singlet AND Y: singlet [✔]
Examiners report
There was also great difficulty in identifying the splitting pattern of the signals. It was rare to see both signals identified as singlets.
