O-LevelChemistryMetals & Reactivity5070/11 · Oct/Nov 2019 · Q161 Mark
In which reaction is the underlined substance reduced?
AC(s) + CO₂(g) → 2CO(g)
BCl₂(g) + 2I¯(aq) → I₂(aq) + 2Cl-(aq)
CMg(s) + CuO(s) → MgO(s) + Cu(s)
DZn(s) + 2H⁺(aq) → Zn²⁺(aq) + H₂(g)
✓ Correct answer
B: Cl₂(g) + 2I¯(aq) → I₂(aq) + 2Cl-(aq)
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