Which Equation Describes a Redox Reaction

question 13

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(g)
• D)H⁺(aq) + OH⁻(aq) → H₂O(l)
• E)CO₃²⁻(aq) + HSO₄⁻(aq) → HCO₃⁻(aq) + SO₄²⁻(aq)

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