DP Chemistry (first assessment 2025)

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Question 23M.1A.SL.TZ2.8

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.SL.TZ2.8
Level SL Paper 1A Time zone TZ2
Command term Question number 8 Adapted from N/A
8.
[Maximum mark: 1]
23M.1A.SL.TZ2.8

Which of these factors explains why NiCl42− and CoCl42− have different colours?


A.  Identity of the metal ion

B.  Charge on the metal ion

C.  Identity of the ligand in the complex

D.  Spectrochemical series

[1]

Markscheme

A