needing help with part D

(a) Circle your answer. What role does sodium borohydride play in the reduction of Benzil? (i) Drying agent (ii) Inorganic solvent (iii) Reducing agent (iv) Oxidizing agent (v) Radical initiator (b) Circle your answer. During this reaction, the lab procedure commented that the yellow color should disappear. What does this color change indicate? (i) Molecular bromine is produced (ii) Molecular bromine is destroyed (iii) The carbonyl is reduced (iv) Radicals present in solution have been scavenged (v) Water has been completely absorbed and the solution is ready to filter (c) Draw all products that could form after addition of two hydride equivalents. Be sure to show stereochemistry. (d) After attempting the reduction of Benzil, you obtained the IR shown below. What can you tell about the progress and success of the reaction? Use your knowledge of the reaction and be sure to support your answer with specific evidence from the spectrum