Reduction Half-reaction Half-cell E (V) Oxidizing Agent F(g) + 2e HO, (aq) + 2 H*(aq) + 2 e" PhOs) + so; (aq) + 4 H"(aq) + 2e – PbSO,(s) + 2 H,O(e) Au"(aq) + 3e Reducing Agent - 2F(aq) 2 HO() F(g)|F"(aq)|Pt H,O(aq). H" (aq), H,0()|PI +287 +1.763 ) PBO(s)|So (aq). H"(aq)|PhSO,(s)|Pb +1.690 - Au(s) - Mn"(aq) + 4 H,O() 2 Cr*(aq) + 7 H,0(0) 2 CI (aq) 2 HO() Au"(ag)| Au(s) Mno, (aq), H*(aq). Mn"(aq)|Pt Cr,0"(aq). H*(aq). c*(aq>|Pt +1.52 MnO, (aq) + 8 H (aq) + 5e CrO (aq) +14 H*(aq) + 6e C(g) + 2e O,ig) +4 H"(aq) + 4e Br() + 2e" NO5 (aq) + 4 H*(aq) + 3e OCI"(aq) + H,O(() + 2e Hg"(aq) + 2e Ag"(ag) + e" Hg (aq) + 2e Fe"(ag) +e 1,(s) + 2e Og) + 2 H,O() + 4e Cu*(aq) + 2e Sn* (aq) + 2e 2 H*(aq) + 2e Sn" (aq) + 2e Ni"(aq) + 2e" PhSO,(s) + 2 e Cd* (aq) + 2e Fe"(aq) + 2e Zn*(aq) + 2 e" 2 H,O() + 2e Al"(aq) + 3e" Mg"(aq) + 2e" Na"(aq) +e K*iaa) +e +1.51 +1.36 +1.358 +1.229 2 Br (aq) NO(g) +2 H,0(O Cr"(aq) + 2 OH"(aq) - Hg() - Agis) 2 Hg(€) Fe" (aq) BrgO|Br"(aq)|P NO, (aq), H"(ag)|NO(g)|P Ocr (aq), C"(aq). OH"(aq|P Hg" (ap|Hg(6) Ag (aq)|Ag(s) Hg3 (aq)|Hg (C) Fe" (aq), Fe"(aq)|PI +1.066 +0.96 +0.89 +0.8535 +0.7991 +0.7960 +0.771 +0.535 21(aq) 4 OH (aq) - Cus) Sn*(aq) H(g) +0.401 ld|(bw)_HO|(o Cu“(aq)|Cu(s) Sn*(aq), Sa*(ag|PI +0.340 +0.15 Sn"(aq)|Sn(s) Ni" (aq)|Ni(s) PhSO,(s)|So;"(aq)|Pb(s) Ca*(aq|Cd(s) Fe" (aq)|Fets) Za"(aq)|Zn(s) H,O(), OH" (aq|H;(g)|Pt Al* (aq)|Al(s) Mg*"(aq)|Mg (s) Na*(aq|Na(s) Sn(s) -0.1375 - Ni(s) Pb(s) + So;"(aq) - Cd(s) - Fe(s) -0.25 -0.3505 -0.403 -0.44 Zn(s) -0.763 H(g) + 2 OH"(aq) -0.8277 Al (s) -1.676 Mg(s) -2.356 Na(s) -2.714 Kisi -2.925 1. Can Aluminium solid reduce Au3+? Yes or No. Please simply explain your answer. 2. According to above given E0 values, which one is the strongest reducing agent? 3. According to above table can K+ be reducded with any reducing agent? if your answer is Yes, provide what you can use to reduce K+ into K(s). If your answer is No, explain why.
Reduction Half-reaction Half-cell E (V) Oxidizing Agent F(g) + 2e HO, (aq) + 2 H*(aq) + 2 e" PhOs) + so; (aq) + 4 H"(aq) + 2e – PbSO,(s) + 2 H,O(e) Au"(aq) + 3e Reducing Agent - 2F(aq) 2 HO() F(g)|F"(aq)|Pt H,O(aq). H" (aq), H,0()|PI +287 +1.763 ) PBO(s)|So (aq). H"(aq)|PhSO,(s)|Pb +1.690 - Au(s) - Mn"(aq) + 4 H,O() 2 Cr*(aq) + 7 H,0(0) 2 CI (aq) 2 HO() Au"(ag)| Au(s) Mno, (aq), H*(aq). Mn"(aq)|Pt Cr,0"(aq). H*(aq). c*(aq>|Pt +1.52 MnO, (aq) + 8 H (aq) + 5e CrO (aq) +14 H*(aq) + 6e C(g) + 2e O,ig) +4 H"(aq) + 4e Br() + 2e" NO5 (aq) + 4 H*(aq) + 3e OCI"(aq) + H,O(() + 2e Hg"(aq) + 2e Ag"(ag) + e" Hg (aq) + 2e Fe"(ag) +e 1,(s) + 2e Og) + 2 H,O() + 4e Cu*(aq) + 2e Sn* (aq) + 2e 2 H*(aq) + 2e Sn" (aq) + 2e Ni"(aq) + 2e" PhSO,(s) + 2 e Cd* (aq) + 2e Fe"(aq) + 2e Zn*(aq) + 2 e" 2 H,O() + 2e Al"(aq) + 3e" Mg"(aq) + 2e" Na"(aq) +e K*iaa) +e +1.51 +1.36 +1.358 +1.229 2 Br (aq) NO(g) +2 H,0(O Cr"(aq) + 2 OH"(aq) - Hg() - Agis) 2 Hg(€) Fe" (aq) BrgO|Br"(aq)|P NO, (aq), H"(ag)|NO(g)|P Ocr (aq), C"(aq). OH"(aq|P Hg" (ap|Hg(6) Ag (aq)|Ag(s) Hg3 (aq)|Hg (C) Fe" (aq), Fe"(aq)|PI +1.066 +0.96 +0.89 +0.8535 +0.7991 +0.7960 +0.771 +0.535 21(aq) 4 OH (aq) - Cus) Sn*(aq) H(g) +0.401 ld|(bw)_HO|(o Cu“(aq)|Cu(s) Sn*(aq), Sa*(ag|PI +0.340 +0.15 Sn"(aq)|Sn(s) Ni" (aq)|Ni(s) PhSO,(s)|So;"(aq)|Pb(s) Ca*(aq|Cd(s) Fe" (aq)|Fets) Za"(aq)|Zn(s) H,O(), OH" (aq|H;(g)|Pt Al* (aq)|Al(s) Mg*"(aq)|Mg (s) Na*(aq|Na(s) Sn(s) -0.1375 - Ni(s) Pb(s) + So;"(aq) - Cd(s) - Fe(s) -0.25 -0.3505 -0.403 -0.44 Zn(s) -0.763 H(g) + 2 OH"(aq) -0.8277 Al (s) -1.676 Mg(s) -2.356 Na(s) -2.714 Kisi -2.925 1. Can Aluminium solid reduce Au3+? Yes or No. Please simply explain your answer. 2. According to above given E0 values, which one is the strongest reducing agent? 3. According to above table can K+ be reducded with any reducing agent? if your answer is Yes, provide what you can use to reduce K+ into K(s). If your answer is No, explain why.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Standard Half-cell Potentials in Aqueous Solution at 25 °C*
E* (V)
Reduction Half-reaction
Half-cell
Reducing Agent
- 2F"(aq)
2 H,O()
PbSO,(s) + 2 H,Oo(e)
Oxidizing Agent
F(g) + 2e
HO;(aq) + 2 H*(aq) + 2 e"
PbO,(s) + So;"(aq) + 4 H"(aq) + 2e"
Au"(aq) + 3e"
Mno, (aq) + 8 H"(aq) + 5e
Cr.O"(aq) +14 H*(aq) + 6e
Cl(g) + 2e
O,g) +4 H*(aq) + 4e
Br() + 2e"
NO, (aq) + 4 H*(aq) + 3e
OCI"(aq) + H,O() + 2e
Hg"(aq) + 2e
Ag*(aq) +e
Hg (aq) + 2e
Fe"(aq) +e
1,(s) + 2e
O,(g) + 2 H,O(O + 4e
Cu*(aq) + 2 e"
Sn* (aq) + 2e
2 H*(aq) + 2e
Sn" (aq) + 2 e
Ni"(aq) + 2e"
PhSo,(s) + 2 e-
Ca*(aq) + 2 e
Fe"(aq) + 2 e
Zn*(aq) + 2 e
+2.87
d|(be).|(31
H,O,(aq), H"(aq), H,O(e)|P
PBO,(s)|So; (aq). H"(aq)|PbSO,(s)|Pb
Au"(aq)|Au(s)
MnO, (aq), H*(aq). Mn*(aq>|Pt
Cr,0;"(aq). H*(aq). Cr"(aq)|Pt
Cl(g)|CI"(aq)|Pt
0,()|H" (ag) |Pt
Brg|Br"(aq)|Pt
NO, (aq). H*(aq)|NO(g)|P
OcI (aq), C"(aq). OH"(aq|Pt
Hg" (ag)| Hg (6)
Ag (aq)|Ag(s)
Hg3"(aq)|Hg(()
Fe" (aq), Fe*(aq)|Pt
1,(s)|1"(aq)|P
+1.763
+1.690
Au(s)
+1.52
Mn"(aq) + 4 H,O(e)
2 Cr"(aq) + 7 H,0()
2 Cr (aq)
2 H,O()
2 Br"(aq)
NO(g) + 2 H,0(0
CI"(aq) + 2 OH"(aq)
Hg(f)
- Ag(s)
-- 2 Hg(()
Fe"(aq)
+1.51
→
"
+1.36
+1.358
+1.229
+1.066
+0.96
+0.89
+0.8535
+0.7991
+0.7960
+0.771
21(aq)
+0.535
-4 OH"(aq)
+0.401
(be)_HO
d|(be).HO|(3)o
Cu*(aq|Cu(s)
Sn*(aq), Sa*(aq)|Pt
Cu(s)
+0.340
Sn*(aq)
+0.15
H,(g)
d|(3)H|(be),H
Sn*"(aq)|Sn(s)
Ni" (aq|Ni(s)
PbSO,(s)|So; (aq)| Pb(s)
Ca*(aq)|Cd(s)
Fe* (aq)|Fe(s)
Za" (aq)|Zn(s)
H,O(0), OH"(aq)|H;(g)|Pt
Al"(aq)|Al(s)
Mg*(ag)|Mg (s)
Na*(aq)|Na(s)
Sn(s)
-0.1375
-0.25
Ni (s)
Pb(s) + So; (aq)
- Cd(s)
-0.3505
-0.403
Fe(s)
-0.44
- Zn(s)
H,(g) + 2 OH"(aq)
-0.763
2 H,O() + 2 e"
Al*(aq) + 3 e
Mg"(aq) + 2e"
Na*(aq) + e
-0.8277
Al (s)
-1.676
Mg(s)
Na(s)
-2.356
-2.714
K*iaa) + e"
- Kisi
-2.925
1. Can Aluminium solid reduce Au3+? Yes or No. Please simply explain your answer.
2. According to above given E0 values, which one is the strongest reducing agent?
3. According to above table can K+ be reducded with any reducing agent? if your answer is Yes, provide what you can use to reduce K+ into K(s). If your answer is No, explain why.
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