3. For each of the above reactions above indicate which substance is oxidized, reduced, oxidizing agent, reducing agent. 1a. 1a. 1a. 1a. 1b. 1b. 1b. 1b. 1c. 1c. 1c. 1c. 1d. 1d. 1d. Am 1d. Br (da) is oxidized MO(a) is reduced I (a) is oxidized is reduced is the oxidizing agent is the reducing agent Clo (aq) is the oxidizing agent is the reducing agent Nta (aa) is oxidized is reduced is the oxidizing agent is the reducing agent is oxidized is reduced is the oxidizing agent is the reducing agent