Which of the following compounds is the greatest oxidizing agent using the standard reduction potentials below?

Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter13: Electrochemistry
Section: Chapter Questions
Problem 13.90PAE: A chemical engineering student is studying the effect of pH on the corrosion of iron. Ellie...
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Which of the following compounds is the greatest oxidizing agent using the standard reduction potentials below?

 

 

    a.    
MnO2 (s)

    b.    
Hg (l)

    c.    
SnO2 (s)

    d.    
Cr(OH)3 (s)

 

Eºred
+1.22 V
+0.61 V
-0.95 V
-1.48 V
Reduction Equation
MnO2 (s) + 4H+
Mn2+
(aq) + 2 e-
Hg2SO4 (s) + 2 e¯ → 2Hg (1) + SO4²- (aq)
Sn (s)
SnO2 (s) + 2 H₂O(1) + 4e¯
+ 4 OH-
Cr(OH)3 (s) + 3 e¯¯ → Cr (s) + 3 OH¯ (aq)
(aq) + 2 H2O (I)
(aq)
Transcribed Image Text:Eºred +1.22 V +0.61 V -0.95 V -1.48 V Reduction Equation MnO2 (s) + 4H+ Mn2+ (aq) + 2 e- Hg2SO4 (s) + 2 e¯ → 2Hg (1) + SO4²- (aq) Sn (s) SnO2 (s) + 2 H₂O(1) + 4e¯ + 4 OH- Cr(OH)3 (s) + 3 e¯¯ → Cr (s) + 3 OH¯ (aq) (aq) + 2 H2O (I) (aq)
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