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2. Which of the following correctly describes reduction? A. The loss of electrons and the corresponding increase in the oxidation state of a given reactant B. The loss of electrons and the corresponding decrease in the oxidation state of a given reactant C. The gain of electrons and the corresponding decrease in the oxidation state of a given reactant. D. The gain of electrons and the corresponding increase in the oxidation state of a given reactant 3. "Redox" is a word coined from what two chemical terms? A. Reduction and Oxygenation C. Reproduction and Oxidation C. Reproduction and Oxygenation B. Reduction and Oxidation 4. What is the other term for the substance that is reduced? A. Oxidizing agent B. Reducing agent C. lonizing agent 5. When the substance lost electrons, it is said to be Rreduced C. reproduced D. None of the choices D. None of the choices

2. Which of the following correctly describes reduction? A. The loss of electrons and the corresponding increase in the oxidation state of a given reactant B. The loss of electrons and the corresponding decrease in the oxidation state of a given reactant C. The gain of electrons and the corresponding decrease in the oxidation state of a given reactant. D. The gain of electrons and the corresponding increase in the oxidation state of a given reactant 3. "Redox" is a word coined from what two chemical terms? A. Reduction and Oxygenation C. Reproduction and Oxidation C. Reproduction and Oxygenation B. Reduction and Oxidation 4. What is the other term for the substance that is reduced? A. Oxidizing agent B. Reducing agent C. lonizing agent 5. When the substance lost electrons, it is said to be Rreduced C. reproduced D. None of the choices D. None of the choices

Chemistry
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...
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2. Which of the following correctly describes reduction? reduction A. The loss of electrons and the corresponding increase in the oxidation state of a given reactant B. The loss of electrons and the corresponding decrease in the oxidation state of a given reactant C. The gain of electrons and the corresponding decrease in the oxidation state of a given reactant. D. The gain of electrons and the corresponding increase in the oxidation state of a given reactant 3. "Redox" is a word coined from what two chemical terms? A. Reduction and Oxygenation C. Reproduction and Oxidation C. Reproduction and Oxygenation B. Reduction and Oxidation 4. What is the other term for the substance that is reduced? A. Oxidizing agent B. Reducing agent C. Ionizing agent 5. When the substance lost electrons, it is said to be A. oxidized B. reduced C. reproduced 6. What is the value of the oxidation state of a free and uncombined element? A. +2 B. +1 C. 0 7. What is the oxidation state of Cl in the ion CIO3-¹ ? A. +5 B. +4 C. -1 8. What is the usual oxidation state of Oxygen? B. +1 A. +2 C. 0 D.-2 9. Galvanic cells convert chemical energy into what other form of energy? A. electrical B. mechanical C. thermal D. radioactive 10. In a voltaic cell, what is the element that is used in the cathode? A. Bismuth B. Copper C. Gold D. Zinc 11. What part of the electrochemical cell does oxidation occur? B. Cathode A. Anode D. Salt bridge C. Motor 12. What is the oxidation state of N₂? B. +1 A. +2 D.-2 C. 0 13. In the reaction, 2H₂ (g) + O₂ (g) → 2H₂O (g), which of the following is the oxidizing agent? C. H₂O B. 0₂ D. None of the choices A. H₂ 14. In the reaction, 2H₂ (g) + O₂ (g) → 2H₂O (g), which of the following is the reducing agent? C. H₂O B. 02 D. None of the choices A. H₂ 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) + 3CO2(g) C.0 +2 B. +3-0 D. No change A. +2 0 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 (1) + 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 following refers to the branch of chemistry that deals with the conversion of electrical energy into chemical energy or chemical energy to electrical energy? A. Anatomy C. Thermodynamics D. Physics B. Electrochemistry 21. Reduction potential is measured in what units? A. Amperes B. Ohms C. Volts D. None of the choices 22. When performing galvanic cell, what is the standard conditions for the solutions? A. 1 M B. 2 M C. 3M D. 4 M 23. The redox reaction happening in a galvanic cell permits the flow of what kind of particle shown in a voltmeter? D. Protons A. Electrolyte B. Electrons C. Neutrons D. None of the choices D. None of the choices D.-2 D. -5
Transcribed Image Text:2. Which of the following correctly describes reduction? reduction A. The loss of electrons and the corresponding increase in the oxidation state of a given reactant B. The loss of electrons and the corresponding decrease in the oxidation state of a given reactant C. The gain of electrons and the corresponding decrease in the oxidation state of a given reactant. D. The gain of electrons and the corresponding increase in the oxidation state of a given reactant 3. "Redox" is a word coined from what two chemical terms? A. Reduction and Oxygenation C. Reproduction and Oxidation C. Reproduction and Oxygenation B. Reduction and Oxidation 4. What is the other term for the substance that is reduced? A. Oxidizing agent B. Reducing agent C. Ionizing agent 5. When the substance lost electrons, it is said to be A. oxidized B. reduced C. reproduced 6. What is the value of the oxidation state of a free and uncombined element? A. +2 B. +1 C. 0 7. What is the oxidation state of Cl in the ion CIO3-¹ ? A. +5 B. +4 C. -1 8. What is the usual oxidation state of Oxygen? B. +1 A. +2 C. 0 D.-2 9. Galvanic cells convert chemical energy into what other form of energy? A. electrical B. mechanical C. thermal D. radioactive 10. In a voltaic cell, what is the element that is used in the cathode? A. Bismuth B. Copper C. Gold D. Zinc 11. What part of the electrochemical cell does oxidation occur? B. Cathode A. Anode D. Salt bridge C. Motor 12. What is the oxidation state of N₂? B. +1 A. +2 D.-2 C. 0 13. In the reaction, 2H₂ (g) + O₂ (g) → 2H₂O (g), which of the following is the oxidizing agent? C. H₂O B. 0₂ D. None of the choices A. H₂ 14. In the reaction, 2H₂ (g) + O₂ (g) → 2H₂O (g), which of the following is the reducing agent? C. H₂O B. 02 D. None of the choices A. H₂ 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) + 3CO2(g) C.0 +2 B. +3-0 D. No change A. +2 0 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 (1) + 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 following refers to the branch of chemistry that deals with the conversion of electrical energy into chemical energy or chemical energy to electrical energy? A. Anatomy C. Thermodynamics D. Physics B. Electrochemistry 21. Reduction potential is measured in what units? A. Amperes B. Ohms C. Volts D. None of the choices 22. When performing galvanic cell, what is the standard conditions for the solutions? A. 1 M B. 2 M C. 3M D. 4 M 23. The redox reaction happening in a galvanic cell permits the flow of what kind of particle shown in a voltmeter? D. Protons A. Electrolyte B. Electrons C. Neutrons D. None of the choices D. None of the choices D.-2 D. -5
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