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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Quizplus · Accepted Answer

In option A, aluminum (Al) is oxidized from 0 to +3, and hydrogen is reduced from +1 to 0, indicating a transfer of electrons, which is characteristic of a redox reaction.

Which Equation Describes a Redox Reaction