Refer to the galvanic cell below (the contents of each half-cell are written beneath each compartment): V Pt Cr 0.10 M MnO4 0.40 M Cr* 0.20 M Mn²+ 0.30 M Cr,0,²- 0.010 MH* 0.010 MH* The standard reduction potentials are as follows: MnO4 + 8H* + 5e → Mn²+ + 4H2O, ɛ° = 1.51 V Cr,0,2- + 14H* + 6e¯- ► 2Cr³* + 7H2O, ɛ° = 1.33 V When current is allowed to flow, which species is oxidized? O Cr,0,2- MnO4¯ O Mn2+

Refer to the galvanic cell below (the contents of each half-cell are written beneath each compartment): V Pt Cr 0.10 M MnO4 0.40 M Cr* 0.20 M Mn²+ 0.30 M Cr,0,²- 0.010 MH* 0.010 MH* The standard reduction potentials are as follows: MnO4 + 8H* + 5e → Mn²+ + 4H2O, ɛ° = 1.51 V Cr,0,2- + 14H* + 6e¯- ► 2Cr³* + 7H2O, ɛ° = 1.33 V When current is allowed to flow, which species is oxidized? O Cr,0,2- MnO4¯ O Mn2+

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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Question

Refer to the galvanic cell below (the contents of each half-cell are written beneath each compartment):
V
Pt
0.10 M MnO4
0.40 М Cr3+
0.20 M Mn2+
0.30 M Cr,0,2-
0.010 M H*
0.010 MH*
The standard reduction potentials are as follows:
MnO, + 8H* + 5e → Mn2+ + 4H,O, ɛ° = 1.51 V
Cr,0,2- + 14H* + 6e
2Cr** + 7H2O, ɛ° = 1.33 V
When current is allowed to flow, which species is oxidized?
O Cr,0,²-
Cr³+
MnO4
Mn2+
O H*

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Subject: chemistry