Homework 6 - reducing and oxidizing agents(a In acidic...

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CHEMISTRY 201X: Homework #6 Due : Friday, November 2, 2007 “Chemical Bonding and Reactions” (1) (12 points) For each of the following molecules or molecular ions, predict its molecular structure, the number of electron-pair domains, whether it is a polar or nonpolar molecule, and the hybridization at the central atom: (1) IF 5 (2) SOCl 2 (3) I 3 (2) (8 points) The hydride ion, H , is a reactive species. Write balanced reactions for its reaction with water and with methanol, CH 3 OH. Discuss these two reactions with respect to acid-base chemistry (both Brønsted and Lewis acid/base) and reduction-oxidation chemistry, i.e., identify the corresponding acids and bases, oxidizing and reducing agents in the reactions. (3) (6 points) Complete and balance the following reactions. For each reaction, identify the
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Unformatted text preview: reducing and oxidizing agents. (a) In acidic media, MnO 4 2 − (aq) ZZX YZZ MnO 2 (s) + MnO 4 − (aq) (b) In basic media, V(s) + H 2 O(l) ZZX YZZ [HV 6 O 17 ] 3 − (aq) + H 2 (g) (4) (6 points) Glucose, C 6 H 12 O 6 , can be digested aerobically (with oxygen) and anaerobically (e.g., by yeast). In aerobic respiration, sugars react with oxygen to form carbon dioxide and water. In anaerobic respiration, sugars are decomposed by enzymes to create carbon dioxide and alcohols, mostly ethanol (C 2 H 5 OH). Write down the balanced chemical equations for aerobic and anaerobic digestion of glucose. Assume that ethanol is the only alcohol product for anaerobic digestion. In each reaction, identify the oxidizing and reducing agents, and determine the oxidation states of the elements....
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