What is the cell reaction for the following voltaic cell? Cr(s) | Cr³+ (aq) || Br (aq) | Br₂(g) | Pt(s) O 2Cr(s) + 3Br2(g) --> 2Cr3+(aq) + 6Br-(aq) O Cr(s) + Cr3+(aq)--> Br-(aq) + Br2(g) O Cr(s) + 3Br2(g) --> Cr3+(s) + 2Br-(aq) O 2Cr3+(aq) + 6Br-(aq) --> 2Cr(s) + 3Br2(g)

What is the cell reaction for the following voltaic cell? Cr(s) | Cr³+ (aq) || Br (aq) | Br₂(g) | Pt(s) O 2Cr(s) + 3Br2(g) --> 2Cr3+(aq) + 6Br-(aq) O Cr(s) + Cr3+(aq)--> Br-(aq) + Br2(g) O Cr(s) + 3Br2(g) --> Cr3+(s) + 2Br-(aq) O 2Cr3+(aq) + 6Br-(aq) --> 2Cr(s) + 3Br2(g)

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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Concept explainers

Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.

Question

What is the cell reaction for the following voltaic cell?
Cr(s) | Cr³+ (aq) || Br (aq) | Br₂(g) | Pt(s)
O 2Cr(s) + 3Br2(g) - --> 2Cr3+(aq) + 6Br-(aq)
O Cr(s) + Cr3+(aq)--> Br-(aq) + Br2(g)
O Cr(s) + 3Br2(g) --> Cr3+(s) + 2Br-(aq)
O 2Cr3+(aq) + 6Br-(aq) --> 2Cr(s) + 3Br2(g)

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