DP Chemistry (last assessment 2024)
Question 21M.2.sl.TZ2.4d
| Date | May 2021 | Marks available | [Maximum mark: 2] | Reference code | 21M.2.sl.TZ2.4d |
| Level | sl | Paper | 2 | Time zone | TZ2 |
| Command term | Determine | Question number | d | Adapted from | N/A |
d.
[Maximum mark: 2]
21M.2.sl.TZ2.4d
Organic chemistry can be used to synthesize a variety of products.
(d)
Oxidation of ethanol with potassium dichromate, K2Cr2O7, can form two different organic products. Determine the names of the organic products and the methods used to isolate them.
[2]
Markscheme
ethanal AND distillation ✓
ethanoic acid AND reflux «followed by distillation» ✓
Award [1 max] for both products OR both methods.
