What can you say about the values of the standard reduction potential of each species in the Frost diagram? What can you say about the dichromate species (Cr2O,²-) from the information given to you in the Frost diagram? Which species is the most thermodynamically stable? Give a reason for your answer. Is there evidence of possible disproportionation for chromium? Why or why not? What can you say about the chromium species (Cr²*) from the information given to you in the Frost diagram?

Appl Of Ms Excel In Analytical Chemistry
2nd Edition
ISBN:9781285686691
Author:Crouch
Publisher:Crouch
Chapter11: Dynamic Electrochemistry
Section: Chapter Questions
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Examine the Frost diagram for chromium in aqueous solution at pH = 0 below and answer the
questions that follow:
2.0
Cr,0,-,
1.5
1.0 -
0.5
Cr
0.0
-0.5
-1.0
-1.5
Cr2+
-2.0
Cr*
-2.5
1
3
4
Oxidation state, N
A/ o7Z = /DV-
Transcribed Image Text:Examine the Frost diagram for chromium in aqueous solution at pH = 0 below and answer the questions that follow: 2.0 Cr,0,-, 1.5 1.0 - 0.5 Cr 0.0 -0.5 -1.0 -1.5 Cr2+ -2.0 Cr* -2.5 1 3 4 Oxidation state, N A/ o7Z = /DV-
What can you say about the values of the standard reduction potential of each species in
the Frost diagram?
What can you say about the dichromate species (Cr2O,²-) from the information given to
you in the Frost diagram?
Which species is the most thermodynamically stable? Give a reason for your answer.
Is there evidence of possible disproportionation for chromium? Why or why not?
What can you say about the chromium species (Cr²*) from the information given to you in
the Frost diagram?
Transcribed Image Text:What can you say about the values of the standard reduction potential of each species in the Frost diagram? What can you say about the dichromate species (Cr2O,²-) from the information given to you in the Frost diagram? Which species is the most thermodynamically stable? Give a reason for your answer. Is there evidence of possible disproportionation for chromium? Why or why not? What can you say about the chromium species (Cr²*) from the information given to you in the Frost diagram?
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