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QUESTION
Which one of the following is a redox reaction?
Which one of the following is 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)
