2.) Based on the activity series of metals, which chemical reaction would have a positive voltage? A. H2 (g) + 2 K*(aq) → 2 H* (aq) + 2 K(s) B. 2 Al (s) + 3 Pb²* (aq) → 3 Pb (s) +2 Al³*(aq) C. Pb (s) + Zn2* (aq) → Zn (s) + Pb²* (aq) D. Ni(s) + Ca²* (aq) → Ni²*(aq) + Ca (s) Keyword: activity, oxidation, reduction, reactivity, Gibbs Free Energy change, voltage, thermodynamically favorable, oxidizing agent, reducing agent, negative, positive Concepts: Activity Series, reducing-agent strength 3.) For the correct answer to Question 2, which species acts as the oxidizing agent? А. Са+ В. Zn?* C. Pb2+ D. K* Keywords: oxidation number, electron, oxidation, reduction, oxidizing agent, reducing agent, electron gain, electron loss, thermodynamically favorable Concepts: Oxidation-Reduction reactions 4.) For the correct answer in Question 3, which species acts at the reducing agent? А. Н. В. AI С. РЬ D. Ni Keywords: oxidation number, electron, oxidation, reduction, oxidizing agent, reducing agent, electron gain, electron loss, thermodynamically favorable Concepts: Oxidation-Reduction reactions
2.) Based on the activity series of metals, which chemical reaction would have a positive voltage? A. H2 (g) + 2 K*(aq) → 2 H* (aq) + 2 K(s) B. 2 Al (s) + 3 Pb²* (aq) → 3 Pb (s) +2 Al³*(aq) C. Pb (s) + Zn2* (aq) → Zn (s) + Pb²* (aq) D. Ni(s) + Ca²* (aq) → Ni²*(aq) + Ca (s) Keyword: activity, oxidation, reduction, reactivity, Gibbs Free Energy change, voltage, thermodynamically favorable, oxidizing agent, reducing agent, negative, positive Concepts: Activity Series, reducing-agent strength 3.) For the correct answer to Question 2, which species acts as the oxidizing agent? А. Са+ В. Zn?* C. Pb2+ D. K* Keywords: oxidation number, electron, oxidation, reduction, oxidizing agent, reducing agent, electron gain, electron loss, thermodynamically favorable Concepts: Oxidation-Reduction reactions 4.) For the correct answer in Question 3, which species acts at the reducing agent? А. Н. В. AI С. РЬ D. Ni Keywords: oxidation number, electron, oxidation, reduction, oxidizing agent, reducing agent, electron gain, electron loss, thermodynamically favorable Concepts: Oxidation-Reduction reactions
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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please explain question 3&4 in detail.
Transcribed Image Text:2.) Based on the activity series of metals, which chemical reaction would have a positive voltage?
А. На (g) + 2 К" (aq) > 2 H (аq) + 2 K(s)
В. 2 AI (s) + 3 PЬ?* (aq) Э 3 Рb (s) + 2 AF'(aq)
C. Pb (s) + Zn2* (aq) → Zn (s) + Pb²* (aq)
D. Ni(s) + Ca²* (aq) → Ni²“(aq) + Ca (s)
Keyword: activity, oxidation, reduction, reactivity, Gibbs Free Energy change, voltage, thermodynamically
favorable, oxidizing agent, reducing agent, negative, positive
Concepts: Activity Series, reducing-agent strength
3.) For the correct answer to Question 2, which species acts as the oxidizing agent?
А. Са-
В. Zn?*
C. Pb2+
D. K*
Keywords: oxidation number, electron, oxidation, reduction, oxidizing agent, reducing agent, electron gain,
electron loss, thermodynamically favorable
Concepts: Oxidation-Reduction reactions
4.) For the correct answer in Question 3, which species acts at the reducing agent?
А. Н2
В. AI
С. РЬ
D. Ni
Keywords: oxidation number, electron, oxidation, reduction, oxidizing agent, reducing agent, electron gain,
electron loss, thermodynamically favorable
Concepts: Oxidation-Reduction reactions
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