(20)Use Latimer diagram below to calculate the value of E for reduction ofMnO4 to Mn2+ at pH = 01.51 -1.18+ MnMn0.561.282.90.95MNO4HMNO,MnQ3+H,MnO2.09Mn1.231.69a) 1.04 Vb) 1.44 Vc) 4.41 Vd) 0.04 Ve) 1.40 V

From the equation ∆G = -nFE , we can calculate it.

(20) Use Latimer diagram below to calculate the value of Eº for reduction of MnO4 to Mn²+ at pH = 0 0.56 1.28 2.9 0.95 1.51 -1.18 MnO HMnO4 H₂MnO4. 3+ ->>> MnQ Mn³. ->>> Mn → Mn 2.09 1.23 1.69 a) 1.04 V b) 1.44 V c) 4.41 V d) 0.04 V e) 1.40 V

(20) Use Latimer diagram below to calculate the value of Eº for reduction of MnO4 to Mn²+ at pH = 0 0.56 1.28 2.9 0.95 1.51 -1.18 MnO HMnO4 H₂MnO4. 3+ ->>> MnQ Mn³. ->>> Mn → Mn 2.09 1.23 1.69 a) 1.04 V b) 1.44 V c) 4.41 V d) 0.04 V e) 1.40 V

Chemistry for Engineering Students

3rd Edition

ISBN:9781285199023

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter13: Electrochemistry

Section: Chapter Questions

Problem 13.21PAE

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Question

100%

(20)
Use Latimer diagram below to calculate the value of E for reduction of
MnO4 to Mn2+ at pH = 0
1.51 -1.18
+ Mn
Mn
0.56
1.28
2.9
0.95
MNO4HMNO,
MnQ
3+
H,MnO
2.09
Mn
1.23
1.69
a) 1.04 V
b) 1.44 V
c) 4.41 V
d) 0.04 V
e) 1.40 V

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