Chemistry · Oct / Nov 2019 · Paper 12 · Question 24
The ions of metal X react with aqueous potassium iodide. 2X²⁺(aq) + 4I⁻(aq) → 2XI(s) + I₂(aq) coloured From this information, it can be deduced that X is most likely a ......1...... metal and the X²⁺(aq) ions are ......2...... . Which words correctly complete gaps 1 and 2?
- AGroup II, oxidised
- BGroup II, reduced
- Ctransition, oxidised
- Dtransition, reduced
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Correct answer: D. transition, reduced
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