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Table 20.2 Half-reaction Cr³+(aq) + 3e →→ Cr(s) Fe2+ (aq) + 2e → Fe(s) Fe3+ (aq) + e→→ Fe2+ (aq) e. Sn4+(aq) + 2e → Sn²+(aq) Which of the following reactions will occur spontaneously as written? 3Sn 3Sn4+ (aq) + 2Cr (s) → 2Cr 3+ (aq) + 3Sn 2+ (aq) 3Fe (s) + 2Cr 3+ (aq)→ 2Cr (s) + 3Fe 2+ (aq) 3Fe 2+ (aq) → Fe (s) + 2Fe 3+ (aq) Sn E° (V) -0.74 -0.440 +0.771 +0.154 4+ (aq) + Fe 3+ (aq) → Sn 2+ (aq) + Fe 2+ (aq) Sn 4+ (aq) + Fe 2+ (aq)- → Sn 2+ (aq) + Fe (s)

Table 20.2 Half-reaction Cr³+(aq) + 3e →→ Cr(s) Fe2+ (aq) + 2e → Fe(s) Fe3+ (aq) + e→→ Fe2+ (aq) e. Sn4+(aq) + 2e → Sn²+(aq) Which of the following reactions will occur spontaneously as written? 3Sn 3Sn4+ (aq) + 2Cr (s) → 2Cr 3+ (aq) + 3Sn 2+ (aq) 3Fe (s) + 2Cr 3+ (aq)→ 2Cr (s) + 3Fe 2+ (aq) 3Fe 2+ (aq) → Fe (s) + 2Fe 3+ (aq) Sn E° (V) -0.74 -0.440 +0.771 +0.154 4+ (aq) + Fe 3+ (aq) → Sn 2+ (aq) + Fe 2+ (aq) Sn 4+ (aq) + Fe 2+ (aq)- → Sn 2+ (aq) + Fe (s)

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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Table 20.2 Half-reaction Cr3+ (aq) + 3e Cr(s) Fe2+ (aq) + 2e →→ Fe(s) Fe3+ (aq) + e Fe²+ (aq) → Sn4+ (aq) + 2e →→ Sn²+ (aq) - Which of the following reactions will occur spontaneously as written? 3Sn 4+ (aq) + 2Cr (s) → 2Cr 3+ (aq) + 3Sn 2+ (aq) 3Fe (s) + 2Cr 3+ (aq) → 2Cr (s) + 3Fe 2+ (aq) 3Fe 2+ (aq) → Fe (s) + 2Fe 3+ (aq) Sn Sn (aq) + Fe 3+ (aq) → Sn 4+ Sn 4+ (aq) + Fe 2+ E° (V) -0.74 -0.440 +0.771 +0.154 (aq) → → 2+ (aq) + Fe 2+ (aq) Sn 2+ (aq) + Fe (s)
Transcribed Image Text:Table 20.2 Half-reaction Cr3+ (aq) + 3e Cr(s) Fe2+ (aq) + 2e →→ Fe(s) Fe3+ (aq) + e Fe²+ (aq) → Sn4+ (aq) + 2e →→ Sn²+ (aq) - Which of the following reactions will occur spontaneously as written? 3Sn 4+ (aq) + 2Cr (s) → 2Cr 3+ (aq) + 3Sn 2+ (aq) 3Fe (s) + 2Cr 3+ (aq) → 2Cr (s) + 3Fe 2+ (aq) 3Fe 2+ (aq) → Fe (s) + 2Fe 3+ (aq) Sn Sn (aq) + Fe 3+ (aq) → Sn 4+ Sn 4+ (aq) + Fe 2+ E° (V) -0.74 -0.440 +0.771 +0.154 (aq) → → 2+ (aq) + Fe 2+ (aq) Sn 2+ (aq) + Fe (s)
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