If the oxidation number of Mn in MnO4 is +7 in the following chemical reaction, then MnO4 is; 5H₂O2 + 2MnO4 + 6H*→2Mn²+ + 8H₂O + 502 Select one: Oa. a. a reducing agent Ob. an oxidizing agent Oc. a spectator ion Od. a precipitate

If the oxidation number of Mn in MnO4 is +7 in the following chemical reaction, then MnO4 is; 5H₂O2 + 2MnO4 + 6H*→2Mn²+ + 8H₂O + 502 Select one: Oa. a. a reducing agent Ob. an oxidizing agent Oc. a spectator ion Od. a precipitate

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

1. Balance the following redox equations using the half-reaction method: a. N₂H4 + KBrO3 → N₂ + KBr + H₂O b. KBrO₂ + K₂S₂O3 + H₂O → KBr + K₂S406 + KOH c. Zn + HNO3 → Zn(NO3)2 + NH4NO3 + H₂O
QUESTION 20 What is the oxidation number of sulfur in K2S203? OA-2 OB. +2 OC. +3 OD. +4 OE +6 ht) the oxidiz
For the following unbalanced redox reaction C2H4 (g) + O2 (g) yields CO2 (g) +H2O (l) a. Identify the oxidation numbers for all the elements in the reactants. b. Identify the oxidation numbers for all the elements in the products. c. Write the unbalanced half reactions. Label each half reaction as either an oxidation or reduction.
a. Balance the following equations. b. Identify oxidizing and reducing agents. c. Determine the oxidation numbers of the elements involved in the redox reaction. Zn(s) + CuSO4(aq) ----> I2(s) + S2O32-(aq) -----> I-(aq) + S4O62-(aq)
A. +2 13. In the reaction, 2H₂ (g) + O₂ (g) → 2H₂O (g), which of the following is the oxidizing agent? C. H₂O B. 0₂ A. H₂ D. None of the choices 14. In the reaction, 2H₂ (g) + O₂(g) → 2H₂O (g), which of the following is the reducing agent? C. H₂O A. H₂ B. 02 D. None of the choices 15. What are the original and final oxidation numbers for iron in the smelting of iron from iron oxide? Fe2O3(s) + 3CO(g) → 2Fe(s) + 3C02(g) C.0 +2 A. +2 0 B. +3-0 D. No change 16. A reducing agent reduces other substances and loses electrons; therefore, its oxidation state will C. stay the same B. increase A. decrease ? D. none of the choices 17. A monoatomic ion has an oxidation state equal to its charge. What is the oxidation state of Ca²+? A. +2 B. +1 C.0 D.-2 18. In the reaction, Fe2O3 (1) + CO (g) → Fe (I) + CO2 (g), how many electrons does Fe gain? A. 1 B. 2 C. 3 D. 4 19. In the reaction, Fe2O3 (1) + CO (g) → Fe (1) + CO2 (g), how many electrons does Fe gain? A. 1 B. 2 C. 3 D. 4 20. Which of the…
5) Balance each of the following redox reactions. Assume acidic conditions for a-c and basic conditions for d. Be sure to show your work and ALL steps. a. CrO42+ Fe → Cr³+ + Fe3+ OnM M O
What is the oxidation number of chromium in the chromate ion, CrO42-? a. +2 O b. +6 O c. +8 O d. +3
For the following Oxidation/Reduction reactions, show which element is oxidized and which is reduced. 3. Cr2O3 Cr + O2 a. b. CaSO3 + Fe FeSO3 Са с. Sn3N2 Fel3 SnI4 Fe3N2 d. Al2O3 N2 AIN + O2 page 2 + C.
3. For the following reactions, identify the reducing agent, oxidizing agent, what is reduced, and what is oxidized: a. 2Hg²+ + N₂H4 + N₂H₂ → 2Hg + N₂ + 4H+ b. 20H + Zn + 2H₂O → Zn(OH)²/¯ + H₂ c. 2Na(s) + Cl₂(g) → 2NaCl(s) d. CH4 + 20₂ CO₂ + 2H₂O → uponent of the voltaic cell on the line provided with the letter representing it in
For each reaction, indicate which elements are oxidized and which are reduced. a. WO2 + 3H2 → W + 3H20 Oxidized: Reduced: b. 2Na + Cl2 → 2NACI Oxidized: Reduced: C. 2 Fe2O3 + 3C 4Fe + 3CO2 Oxidized: Reduced: