| Date | November 2013 | Marks available | 1 | Reference code | 13N.1.hl.TZ0.8 |
| Level | HL | Paper | 1 | Time zone | TZ0 |
| Command term | Identify | Question number | 8 | Adapted from | N/A |
Question
Which compound is likely to be colourless?
A. \({\text{[Zn(}}{{\text{H}}_{\text{2}}}{\text{O}}{{\text{)}}_{\text{6}}}{\text{]C}}{{\text{l}}_{\text{2}}}\)
B. \({{\text{[N}}{{\text{H}}_{\text{4}}}{\text{]}}_{\text{2}}}{\text{[Fe(}}{{\text{H}}_{\text{2}}}{\text{O}}{{\text{)}}_{\text{6}}}{\text{][S}}{{\text{O}}_{\text{4}}}{{\text{]}}_{\text{2}}}\)
C. \({{\text{K}}_{\text{3}}}{\text{[Co(CN}}{{\text{)}}_{\text{6}}}{\text{]}}\)
D. \({\text{[Ni(N}}{{\text{H}}_{\text{3}}}{{\text{)}}_{\text{6}}}{\text{][B}}{{\text{F}}_{\text{4}}}{{\text{]}}_{\text{2}}}\)
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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