Half-reaction E° (V) Cr3+ (aq) + 3e → Cr (s) |-0.74 Fe2+ (aq) + 2e –→ Fe (s) |-0.440 Fe3+ (aq) + e → Fe2+ (s) +0.771 Sn4+ (aq) + 2e Sn2+ (aq) +0.154 Which of the following reactions will occur spontaneously as written? Sn2+ (aq) + Fe2+ (s) – →- Sn4+ (aq) + Fe3+ (ag) 2Cr (s) + 3F22+ (s) →→ 3Fe (s) + 2Cr³* (aq) 2Cr3+ (aq) + 3Sn²+ (aq) - →→ 3Sn4+ (ag) + 2Cr (s) 3FE2+ (aq) + Cr3+ (aq) →→ Cr (s) + 3FE3+ (aq) Sn*+ (aq) + Fe2+ (s) – →- Sn2+ (aq) + Fe (s)

Half-reaction E° (V) Cr3+ (aq) + 3e → Cr (s) |-0.74 Fe2+ (aq) + 2e –→ Fe (s) |-0.440 Fe3+ (aq) + e → Fe2+ (s) +0.771 Sn4+ (aq) + 2e Sn2+ (aq) +0.154 Which of the following reactions will occur spontaneously as written? Sn2+ (aq) + Fe2+ (s) – →- Sn4+ (aq) + Fe3+ (ag) 2Cr (s) + 3F22+ (s) →→ 3Fe (s) + 2Cr³* (aq) 2Cr3+ (aq) + 3Sn²+ (aq) - →→ 3Sn4+ (ag) + 2Cr (s) 3FE2+ (aq) + Cr3+ (aq) →→ Cr (s) + 3FE3+ (aq) Sn*+ (aq) + Fe2+ (s) – →- Sn2+ (aq) + Fe (s)

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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