DP Chemistry (last assessment 2024)

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Question 22N.2.hl.TZ0.2c

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Date November 2022 Marks available [Maximum mark: 1] Reference code 22N.2.hl.TZ0.2c
Level hl Paper 2 Time zone TZ0
Command term Determine Question number c Adapted from N/A
c.
[Maximum mark: 1]
22N.2.hl.TZ0.2c

Chloroquine is a medication used to prevent and treat malaria.

(c)

Determine the index of hydrogen deficiency, IHD, of chloroquine.

[1]

Markscheme

seven/7 ✔

Examiners report

Less than a quarter of the students correctly calculate that the index of hydrogen deficiency (IHD) of chloroquine was 7 and the ability to do this seemed generally unrelated to overall performance on the rest of the paper.

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