DP Chemistry (last assessment 2024)
Question 22M.2.sl.TZ1.d(ii)
| Date | May 2022 | Marks available | [Maximum mark: 1] | Reference code | 22M.2.sl.TZ1.d(ii) |
| Level | sl | Paper | 2 | Time zone | TZ1 |
| Command term | Deduce | Question number | d(ii) | Adapted from | N/A |
d(ii).
[Maximum mark: 1]
22M.2.sl.TZ1.d(ii)
Magnesium is a reactive metal often found in alloys.
Compound B can also be prepared by reacting an alkene with water.
Deduce the structural formula of the repeating unit of the polymer formed from this alkene.
[1]
Markscheme
Do not penalize missing brackets or n.
Do not award mark if continuation bonds are not shown.
Examiners report
Correct answers to this were very scarce and even when candidates had an incorrect alkene for the previous part, they were unable to score an ECF mark, by deducing the formula of the polymer it would produce.
