+1.23 +1.06 +0.96 +0.80 +0.77 +0.68 +0.59 +0.54 +0.40 +0.34 0 [defined] -0.28 -0.44 -0.76 -0.83 -1.66 -2.71 -3.05 + Li Br2 H+ Fe3+ Ni2+ O₂(g) + 4 H+ (aq) + 4e2H₂O(1) Br₂(1) +2 e 2 Br (aq) NO3(aq) + 4H+ (aq) + 3e →→→→ NO(g) + 2 H₂O(1) Ag (aq) + e Fe³+(aq) + e O₂(8) + 2 H*(aq) + 2 e MnO4 (aq) + 2 H₂O(1) + 3 e 1₂(s) + 2 e 21- (aq) O₂(g) + 2 H₂O(1) + 4 e 4 OH (aq) Cu²+ (aq) + 2e →→→ Cu(s) 2H*(aq) + 2 e H₂(8) Ni²+ (aq) + 2e →→→ Ni(s) Fe²+ (aq) + 2 e Fe(s) Zn²+ (aq) + 2e → Zn(s) 2 H₂O(1) + 2 e Al³+ (aq) + 3e → Nat(aq) + e Lit(aq) + e →→→Li(s) Ag(s) · Fe²+ (aq) H₂O₂(aq) Na(s) MnO₂(s) + 4 OH(aq) H₂(g) + 2OH(aq) Al(s) (

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 13.19PAE: In tables of standard reduction potentials that start from large positive values at the top and...
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Question
+1.23
+1.06
+0.96
+0.80
+0.77
+0.68
+0.59
+0.54
+0.40
+0.34
0 [defined]
-0.28
-0.44
-0.76
-0.83
-1.66
-2.71
-3.05
<>
+
Li
Br2
H*
Fe3+
Ni2+
Oz(g) +4 H*(aq)+4e
Br₂(l) +2e
2 Br (aq)
NO3(aq) + 4H+ (aq) + 3 e¯
Ag+ (aq) + e→→→→→ Ag(s)
Fe³+ (aq) + e- ->
O₂(g) + 2 H+ (aq) + 2 e¯
MnO4 (aq) + 2 H₂O(1) + 3 e¯
12(s) +2 e-
21 (aq)
O₂(8) + 2 H₂O(1)
+ 4e¯
Cu²+ (aq) + 2 e
2 H+ (aq) + 2 e
Ni²+ (aq) + 2 e
Fe²+ (aq) + 2 e
Zn²+ (aq) + 2 e
2 H₂O(1) + 2 e
Fe²+ (aq)
2 H₂O(1)
A1³+ (aq) + 3 e
Na+ (aq) + e¯→→→→
Na(s)
Lit(aq) + e→→→→ Li(s)
NO(g) + 2 H₂O(1)
H2O2(aq)
MnO₂(s) + 4 OH¯(aq)
4 OH (aq)
Cu(s)
H₂(g)
Ni(s)
Fe(s)
Zn(s)
H₂(g) + 2 OH(aq)
Al(s)
(
Transcribed Image Text:+1.23 +1.06 +0.96 +0.80 +0.77 +0.68 +0.59 +0.54 +0.40 +0.34 0 [defined] -0.28 -0.44 -0.76 -0.83 -1.66 -2.71 -3.05 <> + Li Br2 H* Fe3+ Ni2+ Oz(g) +4 H*(aq)+4e Br₂(l) +2e 2 Br (aq) NO3(aq) + 4H+ (aq) + 3 e¯ Ag+ (aq) + e→→→→→ Ag(s) Fe³+ (aq) + e- -> O₂(g) + 2 H+ (aq) + 2 e¯ MnO4 (aq) + 2 H₂O(1) + 3 e¯ 12(s) +2 e- 21 (aq) O₂(8) + 2 H₂O(1) + 4e¯ Cu²+ (aq) + 2 e 2 H+ (aq) + 2 e Ni²+ (aq) + 2 e Fe²+ (aq) + 2 e Zn²+ (aq) + 2 e 2 H₂O(1) + 2 e Fe²+ (aq) 2 H₂O(1) A1³+ (aq) + 3 e Na+ (aq) + e¯→→→→ Na(s) Lit(aq) + e→→→→ Li(s) NO(g) + 2 H₂O(1) H2O2(aq) MnO₂(s) + 4 OH¯(aq) 4 OH (aq) Cu(s) H₂(g) Ni(s) Fe(s) Zn(s) H₂(g) + 2 OH(aq) Al(s) (
Based on the provided chart of reduction potentials, rank the following chemicals from strongest (1) to
weakest (5) oxidizing agents.
(
Eᵒred (V)
+2.87
+1.51
+1.36
+1.33
+1.23
+1.06
+0.96
+0.80
+0.77
+0.68
+0.59
+0.54
+0.40
+0.34
0 [defined]
-0.28
-0.44
-0.76
-0.83
-1.66
-2.71
-3.05
<>
Lit
Br2
Half-Reaction
F₂(g) + 2e
2 F (aq)
→→→→
MnO4 (aq) + 8 H+ (aq) + 5 e
Cl₂(g) + 2 e
2 Cl(aq)
Cr₂O2 (aq) + 14 H+ (aq) + 6 e¯
O₂(g) + 4H+ (aq) + 4e¯
Br₂(1) +2 e
2 Br (aq)
NO3(aq) + 4H+ (aq) + 3 e¯
Ag+ (aq) + e
-
Ag(s)
Fe²+ (aq)
Na(s)
Mn²+ (aq) + 4H₂O(1)
Li(s)
2 Cr³+ (aq) + 7 H₂O(1)
2 H₂O(1)
Fe³+(aq) +e¯.
O₂(g) + 2 H+ (aq) + 2 e¯
MnO4 (aq) + 2 H₂O(1) + 3 e
1₂(s) + 2 e
21 (aq)
O₂(8) + 2 H₂O(1)
+ 4e¯ →→→ 4 OH (aq)
Cu²+ (aq) + 2 e
2 H+ (aq) + 2 e
Ni²+ (aq) + 2 e
Fe²+ (aq) + 2 e
Zn²+ (aq) + 2 e
2 H₂O(1) + 2 e
Al³+ (aq) + 3 e
Na+ (aq) + e
Lit(aq) + e
-
NO(g) + 2 H₂O(1)
H,O2(aq)
Cu(s)
H₂(g)
Ni(s)
Fe(s)
Zn(s)
H₂(g) + 2OH(aq)
Al(s)
MnO₂ (s) + 4 OH (aq)
Transcribed Image Text:Based on the provided chart of reduction potentials, rank the following chemicals from strongest (1) to weakest (5) oxidizing agents. ( Eᵒred (V) +2.87 +1.51 +1.36 +1.33 +1.23 +1.06 +0.96 +0.80 +0.77 +0.68 +0.59 +0.54 +0.40 +0.34 0 [defined] -0.28 -0.44 -0.76 -0.83 -1.66 -2.71 -3.05 <> Lit Br2 Half-Reaction F₂(g) + 2e 2 F (aq) →→→→ MnO4 (aq) + 8 H+ (aq) + 5 e Cl₂(g) + 2 e 2 Cl(aq) Cr₂O2 (aq) + 14 H+ (aq) + 6 e¯ O₂(g) + 4H+ (aq) + 4e¯ Br₂(1) +2 e 2 Br (aq) NO3(aq) + 4H+ (aq) + 3 e¯ Ag+ (aq) + e - Ag(s) Fe²+ (aq) Na(s) Mn²+ (aq) + 4H₂O(1) Li(s) 2 Cr³+ (aq) + 7 H₂O(1) 2 H₂O(1) Fe³+(aq) +e¯. O₂(g) + 2 H+ (aq) + 2 e¯ MnO4 (aq) + 2 H₂O(1) + 3 e 1₂(s) + 2 e 21 (aq) O₂(8) + 2 H₂O(1) + 4e¯ →→→ 4 OH (aq) Cu²+ (aq) + 2 e 2 H+ (aq) + 2 e Ni²+ (aq) + 2 e Fe²+ (aq) + 2 e Zn²+ (aq) + 2 e 2 H₂O(1) + 2 e Al³+ (aq) + 3 e Na+ (aq) + e Lit(aq) + e - NO(g) + 2 H₂O(1) H,O2(aq) Cu(s) H₂(g) Ni(s) Fe(s) Zn(s) H₂(g) + 2OH(aq) Al(s) MnO₂ (s) + 4 OH (aq)
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