APElectrochemsample3

APElectrochemsample3 - a. Cu + HNO 3 Cu 2+ + NO 2 (in...

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AP Chemistry Oxidation-Reduction Example Problems 1. Assign oxidation numbers to all the atoms in the following compounds and ions: a. Na 2 SO 4 b. CuCl c. SO 3 2- d. Na 2 S 2 O 3 e. S 4 O 6 2- 2. Determine whether Fe is oxidized or reduced during the following reactions: a. 2Fe + 3/2 O 2 + x H 2 O Fe 2 O 3 x H 2 O (Rust) b. FeO + CO Fe + CO 2 c. 2Hg + 2Fe 3+ + 2Cl - Hg 2 Cl 2 + 2Fe 2+ 3. Balance the following redox reaction by the ion-electron (half-reaction) method:
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Unformatted text preview: a. Cu + HNO 3 Cu 2+ + NO 2 (in acidic solution) b. H 2 C 2 O 4 + MnO 4- Mn 2+ + CO 2 (acidic solution) 4. Balance the following redox reaction involving bromine in basic solution using the ion-electron method: a. Br 2(aq) BrO 3-(aq) + Br-(aq) b. P 4 PH 3 + HPO 3 2-...
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