c. The Pourbaix diagram for iron is shown in Figure 4.1. +1.0- +0.5- 2 0.0 -0.5- -1.05 ⁹0 key Fe3+ 2 Fe2+ soluble H₂O/H2 Fe 6 insoluble H₂0/02 pH 8 Figure 4.1 Simplified Pourbaix diagram (versus pH) for iron. Fe(OH)3 10 Fe(OH)2 N 12 14 Describe all of the changes which occur to the iron-containing species as the potential is decreased gradually from +1.0 V to -1.0 V at pH 2. Your answer should include the oxidation state of each of the Fe species and should indicate whether the substance is soluble or not.

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c. The Pourbaix diagram for iron is shown in Figure 4.1.
+1.0
+0.5
2 0.0
3
-0.5
-1.0
key
Fe³+
2
soluble or not.
Fe2+
soluble
4
H₂O/H₂
Fe
6
insoluble
H₂O/O2
pH
00
8
Figure 4.1 Simplified Pourbaix diagram (versus pH) for iron.
Fe(OH)3
10
Fe(OH)2
12
V
Describe all of the changes which occur to the iron-containing species as the potential
is decreased gradually from +1.0V to -1.0 V at pH 2. Your answer should include the
oxidation state of each of the Fe species and should indicate whether the substance is
NERFAREN
Transcribed Image Text:c. The Pourbaix diagram for iron is shown in Figure 4.1. +1.0 +0.5 2 0.0 3 -0.5 -1.0 key Fe³+ 2 soluble or not. Fe2+ soluble 4 H₂O/H₂ Fe 6 insoluble H₂O/O2 pH 00 8 Figure 4.1 Simplified Pourbaix diagram (versus pH) for iron. Fe(OH)3 10 Fe(OH)2 12 V Describe all of the changes which occur to the iron-containing species as the potential is decreased gradually from +1.0V to -1.0 V at pH 2. Your answer should include the oxidation state of each of the Fe species and should indicate whether the substance is NERFAREN
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