13.47 The solubility product for AgI in water at 25°C is 8.2 × 10-17. Use data in Table 13.1 to find E° for the Ag-AgI elec- trode at 25°C.

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13.47 The solubility product for AgI in water at 25°C is 8.2 ×
10-17. Use data in Table 13.1 to find E° for the Ag-AgI elec-
trode at 25°C.
Transcribed Image Text:13.47 The solubility product for AgI in water at 25°C is 8.2 × 10-17. Use data in Table 13.1 to find E° for the Ag-AgI elec- trode at 25°C.
TABLE 13.1
Standard Electrode Potentials in H,0 at 25°C and 1 bar
Half-cell reaction
E/V
Half-cell reaction
E/V
2D* + 2e- → D,
2H* + 2e → H,
AgBr(c) + e -→ Ag + Br
AGCI(c) + e → Ag + Cl
Hg,Cl,(c) + 2e- → 2Hg(/) + 2CI¯
Cu2+ + 2e -→ Cu
Cut + e → Cu
L(c) + 2e → 21-
Hg,SO,(c) + 2e → 2Hg(/) + SO}-
Fe+ +e Fe²+
Ag* + e → Ag
Br,() + 2e → 2Br"
0,(g) + 4H* + 4e → 2H,O
Cl,(g) + 2e- → 2CI-
Aut + e -→ Au
K+ + e → K
-2.936
-0.01
Ca?+ + 2e → Ca
Na+ + e → Na
Mg2+ + 2e → Mg
Al+ + 3e - Al
2H,0 + 2e → H(g) + 20H¯
Zn?+ + 2e -→ Zn
Ga+ + 3e -→ Ga
Fe2+ + 2e Fe
Cd2+ + 2e - Cd
Pbl,(c) + 2e – Pb + 21-
PBSO,(c) + 2e → Pb + SO;-
Sn2+ + 2e → Sn(white)
Pb2+ + 2e → Pb
Fe+ + 3e
-2.868
-2.714
0.073
-2.360
0.2222
-1.677
0.2680
-0.828
0.339
-0.762
0.518
-0.549
0.535
-0.44
0.615
-0.402
0.771
-0.365
-0.356
0.7992
1.078
-0.141
1.229
-0.126
1.360
- Fe
-0.04
1.69
Transcribed Image Text:TABLE 13.1 Standard Electrode Potentials in H,0 at 25°C and 1 bar Half-cell reaction E/V Half-cell reaction E/V 2D* + 2e- → D, 2H* + 2e → H, AgBr(c) + e -→ Ag + Br AGCI(c) + e → Ag + Cl Hg,Cl,(c) + 2e- → 2Hg(/) + 2CI¯ Cu2+ + 2e -→ Cu Cut + e → Cu L(c) + 2e → 21- Hg,SO,(c) + 2e → 2Hg(/) + SO}- Fe+ +e Fe²+ Ag* + e → Ag Br,() + 2e → 2Br" 0,(g) + 4H* + 4e → 2H,O Cl,(g) + 2e- → 2CI- Aut + e -→ Au K+ + e → K -2.936 -0.01 Ca?+ + 2e → Ca Na+ + e → Na Mg2+ + 2e → Mg Al+ + 3e - Al 2H,0 + 2e → H(g) + 20H¯ Zn?+ + 2e -→ Zn Ga+ + 3e -→ Ga Fe2+ + 2e Fe Cd2+ + 2e - Cd Pbl,(c) + 2e – Pb + 21- PBSO,(c) + 2e → Pb + SO;- Sn2+ + 2e → Sn(white) Pb2+ + 2e → Pb Fe+ + 3e -2.868 -2.714 0.073 -2.360 0.2222 -1.677 0.2680 -0.828 0.339 -0.762 0.518 -0.549 0.535 -0.44 0.615 -0.402 0.771 -0.365 -0.356 0.7992 1.078 -0.141 1.229 -0.126 1.360 - Fe -0.04 1.69
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