DP Chemistry (last assessment 2024)

Test builder »

Question 22N.2.sl.TZ0.2e.ii

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

Chloroquine is a medication used to prevent and treat malaria.

Chloroquine can be synthesized by reacting 4,7-dichloroquinoline with another reactant, B.

            4,7-dichloroquinoline                                                            chloroquine

(e.ii)

This reaction can be done with a copper catalyst. State the ground-state electron configuration for copper.

[1]

Markscheme

1s22s22p63s23p64s13d10 / 1s22s22p63s23p63d104s1

OR

[Ar]4s13d10 / [Ar]3d104s1 ✔

Examiners report

Half the candidates wrote the correct ground-state electron configuration for copper. Many candidates wrote 1s2 2s2 2p6 3s2 3p6 4s2 3d9.

Syllabus sections