Which Equation Describes a Redox Reaction

question 95

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)CO₃^2-(aq)+ HSO₄^-(aq)→ HCO₃^-(aq)+ SO₄^2-(aq)

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