Which Equation Describes a Redox Reaction

question 136

Multiple Choice

Which equation describes a redox reaction?

• A) 2Al(s) + 3H₂SO₄(aq) → Al₂(SO₄)₃(aq) + 3H₂(g)
• B) 2KBr(aq) + Pb(NO₃)₂(aq) → 2KNO₃(aq) + PbBr₂(s)
• C) CaBr₂(aq) + H₂SO₄(aq) → CaSO₄(s) + 2HBr(aq)
• D) H⁺(aq) + OH^-(aq) → H₂O(l)
• E) CO₃^2-(aq) + HSO₄^-(aq) → HCO₃^-(aq) + SO₄^2-(aq)

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