O-LevelChemistryMetals & Reactivity5070/12 · Oct/Nov 2018 · Q191 Mark

Which reaction is a redox reaction?

AMg + 2HCl → MgCl2 + H2

BMgCO3 + 2HCl → MgCl2 + H2O + CO2

CMgO + 2HCl → MgCl2 + H2O

DMg(OH)2 + 2HCl → MgCl2 + 2H2O

✓ Correct answer

A: Mg + 2HCl → MgCl2 + H2

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Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2018 Paper 1 Variant 2, question 19.

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