Multiple Choice Use the following information to answer the next question A voltaic cell is represented by the following cell notation below. Ni(s) | Ni2 (aq), Cr-(aq) || Cr₂O72-(aq), H*(aq), Cr³+ (aq). Na*(aq) | C(s) 8. Which of the following is a correct observation regarding the voltaic cell above? The colour change at the anode is from orange to blue-green. The mass of the nickel electrode will increase. Sodium will be plated at the cathode. The pH at the cathode will increase.

Multiple Choice Use the following information to answer the next question A voltaic cell is represented by the following cell notation below. Ni(s) | Ni2 (aq), Cr-(aq) || Cr₂O72-(aq), H(aq), Cr³+ (aq). Na(aq) | C(s) 8. Which of the following is a correct observation regarding the voltaic cell above? The colour change at the anode is from orange to blue-green. The mass of the nickel electrode will increase. Sodium will be plated at the cathode. The pH at the cathode will increase.

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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