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

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A cell consisting of a chromium strip and a lead wire, immersed in 1 M aqueous
solutions of Cr(NO3)3 and Pb(N03)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.
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
Transcribed Image Text:A cell consisting of a chromium strip and a lead wire, immersed in 1 M aqueous solutions of Cr(NO3)3 and Pb(N03)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. 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
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