DP Chemistry (last assessment 2024)

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Question 22M.2.sl.TZ1.3d(ii)

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.2.sl.TZ1.3d(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.TZ1.3d(ii)

Magnesium is a reactive metal often found in alloys.

Compound B can also be prepared by reacting an alkene with water.

(d(ii))

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.

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