2. (20 points) Please consider the reaction below. -1+2 -2 BrO3-+ Br-Br2 (a) Assign oxidation numbers to the reactants and products. Br 03 = -1 Br 2 0 3 - Br 03 Br Bra + 2e Br=rl 划 +1 ? (b) Which one is reduced? Br ) Which one is oxidized? 13.05 - Br 03 - Br Balance the reaction using appropriate electrons, H+ or H2O.