| Date | November 2016 | Marks available | 1 | Reference code | 16N.1.hl.TZ0.10 |
| Level | HL | Paper | 1 | Time zone | TZ0 |
| Command term | State | Question number | 10 | Adapted from | N/A |
Question
What is the correct explanation for the colour of [Cu(H2O)6]2+?
A. Light is absorbed when an electron moves to a d orbital of higher energy.
B. Light is released when an electron moves to a d orbital of higher energy.
C. Light is absorbed when electrons move from the ligands to the central metal ion.
D. Light is absorbed when electrons move between d and s orbitals.
Markscheme
A
Examiners report
[N/A]
Syllabus sections
Additional higher level (AHL) » Topic 13: The periodic table—the transition metals » 13.2 Coloured complexes
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