2014 Experiement 5.pdf - 151-Experiment 5-1 EXPERIMENT 5...

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151-Experiment 5-1 EXPERIMENT 5 REDOX REACTIONS AND BALANCING REDOX EQUATIONS 2. (3 pts.) Assign oxidation numbers to the carbon atoms in the ring of the ascorbic acid molecule and the dihydroxyascorbic acid molecule. Enter the oxidation numbers in the boxes next to the carbon atoms. 3.(2 pts.)What would be the highest possible oxidation number of carbon in a molecule? 4.(2 pts.) Based on your answer to Question 3, can dihydroxyascorbic acid be oxidized further if it reacts with a very strong oxidizing agent (such as permanganate)? Circle your answer. (YES / NO) 5. (3 pts.) In the box below, write a balanced net ionic equation to illustrate the half-reaction when Cu + functions as a reducing agent in a redox reaction. 6. (3 pts.) In the box below, write a balanced net ionic equation to illustrate the half-reaction when VO 2 + is reduced to V 3+ . 7. (3 pts.) In the box below, write a balanced net ionic equation to illustrate the reduction half-reaction when hydrogen peroxide functions as an oxidizing agent in an acidic medium.
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