| Date | November 2010 | Marks available | 1 | Reference code | 10N.1.hl.TZ0.8 |
| Level | HL | Paper | 1 | Time zone | TZ0 |
| Command term | Question number | 8 | Adapted from | N/A |
Question
In which complexes does iron have an oxidation number of \( + 3\)?
I. \({{\text{[Fe(}}{{\text{H}}_2}{\text{O}}{{\text{)}}_6}{\text{]}}^{3 + }}\)
II. \({{\text{[Fe(}}{{\text{H}}_2}{\text{O}}{{\text{)}}_5}{\text{(CN)]}}^{2 + }}\)
III. \({{\text{[Fe(CN}}{{\text{)}}_6}{\text{]}}^{3 - }}\)
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
Markscheme
D
Examiners report
[N/A]
Syllabus sections
Additional higher level (AHL) » Topic 13: The periodic table—the transition metals » 13.1 First-row d-block elements
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