Using data from the Standard Reduction Potentials table, place the following in order of increasing strength as oxidizing agents (all under standard conditions). (Use the appropriate <, =, or > symbol to separate substances in the list.) Al3+, Cr3+, Zn2+, H₂O, 104, and 1₂ chemPad XX→← Help Greek

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Chapter18: Electrochemistry
Section: Chapter Questions
Problem 62E
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Standard Reduction Potentials at 25°C (298 K) for Many Common Half-reactions
Half-reaction
8° (V)
Half-reaction
F₂ +2e2F-
Ag2+ + e
Ag+
Co³+ + e→→ Co²+
H₂O₂ + 2H+ + 2e
Ce4++e Ce³+
→ 2H₂O
PbO₂ + 4H+ + SO42
MnO4 + 4H+ + 3e
IO4 + 2H+ + 2e →
MnO4 + 8H+ + Se
Au³+ + 3e → Au
PbO₂ + 4H+ + 2e
Cl₂ +2e2C1-
Hg₂2+ + 2e
Fe³+ + e
+2e →→ PbSO4 + 2H₂O
→ MnO₂ + 2H₂O
IO3 + H₂O
→ Mn²+ + 4H₂O
→ Pb²+ + 2H₂O
Cr₂O72- + 14H+ + 6e- →2Cr³+ + 7H₂O
O₂ + 4H+ + 4e → 2H₂O
MnO₂ + 4H+ + 2e
IO3 + 6H+ + Se-
Br₂ 2e 2Br
VO₂+ + 2H+ + e
AuCl4 + 3e →
NO3 + 4H+
ClO₂ + e
2Hg2+ + 2e
Age → Ag
→ Mn²+ + 2H₂O
→ 1₂ + 3H₂O
→ VO2+ + H₂O
Au + 4CI-
+ 3e → NO + 2H₂O
ClO₂-
→ Hg₂²+
→ 2Hg
Fe2+
O₂ + 2H+ + 2e → H₂O₂
MnO4 + e→→ MnO4²-
1₂ +2e → 21-
Cute
Cu
2.87
1.99
1.82
1.78
1.70
1.69
1.68
1.60
1.51
1.50
1.46
1.36
1.33
1.23
1.21
1.20
1.09
1.00
0.99
0.96
0.954
0.91
0.80
0.80
0.77
0.68
0.56
0.54
0.52
O₂ + 2H₂O + 4e4OH-
Cu2+ + 2e → Cu
Hg₂Cl₂ + 2e →→ 2Hg + 2Cl-
AgCl +eAg + Cl-
SO4 + 4H+ + 2e
Cu²+ + e
2H+ + 2e
Fe³+ + 3e
Cu+
→→ H₂
→→ Fe
→→ Pb
→→ Sn
→→ Ni
Pb²+ + 2e
Sn²+ + 2e
Ni2+ + 2e
PbSO4 + 2e
Cd2+ + 2e
→→ Pb + SO4²-
→→ Cd
→→→ Fe
Fe2+ + 2e
Cr³+ + e
Cr²+
Cr³+ + 3e
→ Cr
→ Zn
Zn²+ + 2e
2H₂O + 2e
→ H₂ + 2OH-
Mn²+ + 2e → Mn
Al³+ + 3e →→ Al
H₂ +2e → 2H-
Mg2+ + 2e → Mg
La³+ + 3e → La
→→→ Na
Na+ + e
Ca2+ + 2e
Ba2+ + 2e
K++eK
→→ Ca
→→ Ba
→ H₂SO3 + H₂O
Lite Li
8° (V)
0.40
0.34
0.27
0.22
0.20
0.16
0.00
-0.036
-0.13
-0.14
-0.23
-0.35
-0.40
-0.44
-0.50
-0.73
-0.76
-0.83
-1.18
-1.66
-2.23
-2.37
-2.37
-2.71
-2.76
-2.90
-2.92
-3.05
Transcribed Image Text:Standard Reduction Potentials at 25°C (298 K) for Many Common Half-reactions Half-reaction 8° (V) Half-reaction F₂ +2e2F- Ag2+ + e Ag+ Co³+ + e→→ Co²+ H₂O₂ + 2H+ + 2e Ce4++e Ce³+ → 2H₂O PbO₂ + 4H+ + SO42 MnO4 + 4H+ + 3e IO4 + 2H+ + 2e → MnO4 + 8H+ + Se Au³+ + 3e → Au PbO₂ + 4H+ + 2e Cl₂ +2e2C1- Hg₂2+ + 2e Fe³+ + e +2e →→ PbSO4 + 2H₂O → MnO₂ + 2H₂O IO3 + H₂O → Mn²+ + 4H₂O → Pb²+ + 2H₂O Cr₂O72- + 14H+ + 6e- →2Cr³+ + 7H₂O O₂ + 4H+ + 4e → 2H₂O MnO₂ + 4H+ + 2e IO3 + 6H+ + Se- Br₂ 2e 2Br VO₂+ + 2H+ + e AuCl4 + 3e → NO3 + 4H+ ClO₂ + e 2Hg2+ + 2e Age → Ag → Mn²+ + 2H₂O → 1₂ + 3H₂O → VO2+ + H₂O Au + 4CI- + 3e → NO + 2H₂O ClO₂- → Hg₂²+ → 2Hg Fe2+ O₂ + 2H+ + 2e → H₂O₂ MnO4 + e→→ MnO4²- 1₂ +2e → 21- Cute Cu 2.87 1.99 1.82 1.78 1.70 1.69 1.68 1.60 1.51 1.50 1.46 1.36 1.33 1.23 1.21 1.20 1.09 1.00 0.99 0.96 0.954 0.91 0.80 0.80 0.77 0.68 0.56 0.54 0.52 O₂ + 2H₂O + 4e4OH- Cu2+ + 2e → Cu Hg₂Cl₂ + 2e →→ 2Hg + 2Cl- AgCl +eAg + Cl- SO4 + 4H+ + 2e Cu²+ + e 2H+ + 2e Fe³+ + 3e Cu+ →→ H₂ →→ Fe →→ Pb →→ Sn →→ Ni Pb²+ + 2e Sn²+ + 2e Ni2+ + 2e PbSO4 + 2e Cd2+ + 2e →→ Pb + SO4²- →→ Cd →→→ Fe Fe2+ + 2e Cr³+ + e Cr²+ Cr³+ + 3e → Cr → Zn Zn²+ + 2e 2H₂O + 2e → H₂ + 2OH- Mn²+ + 2e → Mn Al³+ + 3e →→ Al H₂ +2e → 2H- Mg2+ + 2e → Mg La³+ + 3e → La →→→ Na Na+ + e Ca2+ + 2e Ba2+ + 2e K++eK →→ Ca →→ Ba → H₂SO3 + H₂O Lite Li 8° (V) 0.40 0.34 0.27 0.22 0.20 0.16 0.00 -0.036 -0.13 -0.14 -0.23 -0.35 -0.40 -0.44 -0.50 -0.73 -0.76 -0.83 -1.18 -1.66 -2.23 -2.37 -2.37 -2.71 -2.76 -2.90 -2.92 -3.05
Using data from the Standard Reduction Potentials table, place the following in order of increasing strength as oxidizing agents (all under standard conditions). (Use the appropriate <, , or > symbol
to separate substances in the list.)
Al3+, Cr³+, Zn2+, H₂O, 104, and 1₂
chemPad
|XX"
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Transcribed Image Text:Using data from the Standard Reduction Potentials table, place the following in order of increasing strength as oxidizing agents (all under standard conditions). (Use the appropriate <, , or > symbol to separate substances in the list.) Al3+, Cr³+, Zn2+, H₂O, 104, and 1₂ chemPad |XX" Help Greek-
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