O-LevelChemistryMetals & Reactivity5070/11 · May/June 2013 · Q181 Mark

Equations for reactions of iron and iron compounds are shown. Fe + 2HCl → FeCl2 + H2 2FeCl2 + Cl2 → 2FeCl3 FeSO4 + Mg → Fe + MgSO4 FeSO4 + 2NaOH → Fe(OH)2 + Na2SO4 How many of these are redox reactions?

✓ Correct answer

C: 3

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Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2013 Paper 1 Variant 1, question 18.

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