hOxidation: Cr2+ → Cr³+ + eReduction: Cu²+ + 2 e¯ → CuNet: 2 Cr²+ + Cu²+What is the standard potential, Eºnet ?Standard Reduction PotentialsEº netReduction Half-Reaction E° (V)Co³+ + e-→ Co²+ 1.82Au³ + + 3e-→ Au(s) 1.50Pd²+ + 2 e-→ Pd0.987Ag++ e-→ Ag(s) 0.80Fe³+ + e-→ Fe²+ 0.771→ Cu(s)0.52→ Cu(s) 0.337→ Cut 0.153→ H₂(g)0.00→ Sn(s)-0.14Cu++ e-Cu²++2 e-Cu²++ e-2H+ + 2 e-Sn²+ + 2 e-Co²+ +2 e-Cr³++ e-Fe²+ +2 e-Cr³+ +3 e-Zn²++ 2 e-A1³+ + 3 e-→ Cu + 2 Cr³+=V→Co(s)-0.28→ Cr²+ -0.41→ Fe(s)-0.44→ Cr(s)-0.74→ Zn(s) -0.763→Al(s) -1.66 a. Cr³+ (aq) + Cl₂ (g) ⇒ Cr₂O7² (aq) + Cl¯(aq)=V2+b. Ni²+ (aq) + Ca(s) ⇒ Ca²+ (aq) + Ni(s)V

Oxidation is defined as an increase in the oxidation state of the element.It can also be defined as…

h Oxidation: Cr2+→ Cr³+ + e Reduction: Cu2+ + 2 e² → Cu Net: 2 Cr2+ + Cu2+ Cu + 2 Cr³+ What is the standard potential, Eºnet? Standard Reduction Potentials Reduction Half-Reaction E° (V) CO³+ +e- - Co²+ 1.82 Au³+ + 3e- → Au(s) Pd²+ + 2 e- → Pd Ag+ + e- Fe³+ + e- Cu++ e- Cu²++2 e- Cu²++ e- 2H+ + 2 e- Sn²+ + 2 e- Co²++2 e- Cr³+ + e- Fe²++2 e- Cr³++3 e- Zn²++2 e- A1³++ 3 e- Eºnet = V 1.50 0.987 Ag(s) 0.80 Fe2+ 0.771 → Cu(s) 0.52 → Cu(s) 0.337 → Cut 0.153 → H₂(g) 0.00 → Sn(s) -0.14 → Co(s) -0.28 →Cr²+ -0.41 →Fe(s) -0.44 → Cr(s) -0.74 → Zn(s) -0.763 →Al(s) -1.66

h Oxidation: Cr2+→ Cr³+ + e Reduction: Cu2+ + 2 e² → Cu Net: 2 Cr2+ + Cu2+ Cu + 2 Cr³+ What is the standard potential, Eºnet? Standard Reduction Potentials Reduction Half-Reaction E° (V) CO³+ +e- - Co²+ 1.82 Au³+ + 3e- → Au(s) Pd²+ + 2 e- → Pd Ag+ + e- Fe³+ + e- Cu++ e- Cu²++2 e- Cu²++ e- 2H+ + 2 e- Sn²+ + 2 e- Co²++2 e- Cr³+ + e- Fe²++2 e- Cr³++3 e- Zn²++2 e- A1³++ 3 e- Eºnet = V 1.50 0.987 Ag(s) 0.80 Fe2+ 0.771 → Cu(s) 0.52 → Cu(s) 0.337 → Cut 0.153 → H₂(g) 0.00 → Sn(s) -0.14 → Co(s) -0.28 →Cr²+ -0.41 →Fe(s) -0.44 → Cr(s) -0.74 → Zn(s) -0.763 →Al(s) -1.66

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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