In Figure 14.22, we saw that Br ^- (aq) catalyzes the decomposition of H₂O₂(aq) into H₂O(l) and O₂(g). Suppose that some KBr(s) is added to an aqueous solution of hydrogen peroxide. Make a sketch of [Br ^- (aq)] versus time from the addition of the solid to the end of the reaction.

Transcribed Image Text:

NaBr catalyst about to be added to reaction mixture H,O,(ag) in acidic solution 2 Br (ag) + H,O2(ag) + 2H*(aq) Brz(aq) + H,O,(aq) Br2(aq) + 2 H2O(1) 2 Br (aq) + 2 H*(aq) + O2(g) colorless brown bubbles