Which One of the Following Is a Redox Reaction?
A)2Al(s) $\rarr$

Which one of the following is a redox reaction?

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