DP Chemistry (last assessment 2024)

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Question 22N.2.sl.TZ0.d

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Date November 2022 Marks available [Maximum mark: 1] Reference code 22N.2.sl.TZ0.d
Level sl Paper 2 Time zone TZ0
Command term Justify, State Question number d Adapted from N/A
d.
[Maximum mark: 1]
22N.2.sl.TZ0.d

Chloroquine is a medication used to prevent and treat malaria.

State, giving a reason, whether carbon or nitrogen is the most electronegative element.

[1]

Markscheme

nitrogen AND larger number of protons/nuclear charge/Zeff

OR

nitrogen AND smaller «atomic» radius ✔

 

Accept nitrogen AND further along period.

Examiners report

This question was rather vague. 40% of the candidates gave a good reason for N being more electronegative than C.

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