A voltaic cell has been constructed with a nickel metal electrode in Ni2*(aq) in one half-cell and a chromium metal electrode in Cr3t(aq) in the other half-cell. The two half-cells have a saturated KCI bridge between them and an external wire connecting the metal electrodes completing the circuit. Where does oxidation take place and what is the oxidation half-reaction? OA Oxidation takes place in the nickel half-cell: Ni(s) - Ni2+(ag) + 2 e- O B. Oxidation takes place in the nickel half-cell: Ni2*(aq) + 2 e- - Ni(s) OC Oxidation takes place in the chromium half-cell: Cr3*(aq) + 3 e- + Cr(s) Op. Oxidation takes place in the chromium half-cell: Cr(s) + Cr3+(ag) + 3 e-

A voltaic cell has been constructed with a nickel metal electrode in Ni2(aq) in one half-cell and a chromium metal electrode in Cr3t(aq) in the other half-cell. The two half-cells have a saturated KCI bridge between them and an external wire connecting the metal electrodes completing the circuit. Where does oxidation take place and what is the oxidation half-reaction? OA Oxidation takes place in the nickel half-cell: Ni(s) - Ni2+(ag) + 2 e- O B. Oxidation takes place in the nickel half-cell: Ni2(aq) + 2 e- - Ni(s) OC Oxidation takes place in the chromium half-cell: Cr3*(aq) + 3 e- + Cr(s) Op. Oxidation takes place in the chromium half-cell: Cr(s) + Cr3+(ag) + 3 e-

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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