A cell consisting of a chromium strip and a lead wire, immersed in 1 M aqueous solutions of Cr(NO3)3 and Pb(NO3)2, respectively, was constructed. It was found that chromium strip depleted and certain solid deposited on the lead wire. Which of the following statement(s) is/are TRUE about the cell? O A. Crst was oxidized while Pb<+ was reduced. 2+ B. Cr served as the anode while Pb served as the cathode. C. Electrons flow from the lead wire to the chromium strip. O D. All of the choices
A cell consisting of a chromium strip and a lead wire, immersed in 1 M aqueous solutions of Cr(NO3)3 and Pb(NO3)2, respectively, was constructed. It was found that chromium strip depleted and certain solid deposited on the lead wire. Which of the following statement(s) is/are TRUE about the cell? O A. Crst was oxidized while Pb<+ was reduced. 2+ B. Cr served as the anode while Pb served as the cathode. C. Electrons flow from the lead wire to the chromium strip. O D. All of the choices
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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