A \[\ce{CH3COO2H + SO^{2-}_{4}}\] B \[\ce{CH3COO- + H3SO^{+}_{4}}\] C \[\ce{CH3COOH^{+}_{2} + HSO^{-}_{4}}\] D \[\ce{CH3COO2H + HSO^{-}_{4}}\] E \[\ce{CH3COO- + SO^{2-}_{4}}\]