CAIE A-Level Chemistry 28.2.4 Complex ions

Practise defining complex ions and recognising central metal atoms or ions surrounded by ligands in formulae and structures.

Exam points

define a complex ion as a central metal atom or ion bonded to one or more ligands

[Maximum number: 1]

Aqueous solutions of iron(II) salts contain the complex ion $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}$ .

Define complex ion.

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28.2.4—Complex ions question 1