3) Which substance below is the strongest reducing agent? (a) Mg(s) (b) F2(g) (c) Cr(s) (d) K* (e) H2(g)

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Please answer the question in the picture labeled #3. I also included a table of values im not sure if you will need it or if it will be irrelevant
DURABLE
EW
an Standar
3) Which substance below is the strongest reducing agent?
(a) Mg(s)
(b) F2(g)
(c) Cr(s)
(d) K*
(e) H2(g)
Transcribed Image Text:DURABLE EW an Standar 3) Which substance below is the strongest reducing agent? (a) Mg(s) (b) F2(g) (c) Cr(s) (d) K* (e) H2(g)
TABLE 18.1 Standard Electrode Potentlals at 25 °C
Reduction Half-Reaction
F) + 2 e
E (V)
+ 2F (aq)
Stronger
oxidizing agent H202(aq) + 2 H*(aq) + 2 e
2.87
+2 H20(0
→ PBSO«(s) + 2 H20(1)
→ Mn02(s) + 2 H20()
- Mn*(aq) + 4 H20(1)
Weaker
reducing agent
PbO2(s) + 4 H*(ag) + SO,²¯(aq) + 2 e
Mn04 (aq) + 4 H*(aq) + 3 e
Mno. (aq) + 8 H*(aq) + 5 e
Au+(aq) + 3e
Pb02(s) + 4 H*(aq) + 2 e
1.78
1.69
1.68
1.51
- Au(s)
1.50
- Pb2*(aq) + 2 H20()
→ 2 cr (aq)
2 C*(aq) + 7 H2O)
2 H20(1)
Mn+(aq) + 2 H,01)
+ (aq) + 3 H20()
1.46
Cl2lg) + 2 e
Cr30, (aq) + 14 H*(aq) + 6 e
02(g) + 4 H*(aq) + 4 e
MnO2(s) + 4 H*(aq) + 2 e
10, (aq) + 6 H*(aq) + 5 e
Br() + 2 e
Vo,"(aq) + 2 H*(aq) + e
NO, (aq) + 4 H*(aq) + 3 e-
1.36
1.33
→
1.23
1.21
1.20
→
2 Br (aq)
1.09
- vo?"(aq) + H20()
NOE) + 2 H20(1)
→ CIO, (aq)
1.00
0.96
CIO2() + e
Ag"(aq) + e
Fe*(aq) + e
0.95
Ag(s)
+ Fe?*(aq)
0.80
0.77
02(g) + 2 H*(aq) + 2 e
Mno, (aq) +e
b(s) + 2 e
Cu*(aq) + e
+H2O2(aq)
0.70
→ Mn0,2 (aq)
→21 (aq)
→ Cu(s)
4 OH (aq)
+ Cu(s)
→ H2SO3(aq) + H20(1)
- Cu*(aq)
- Sn*(aq)
0.56
0.54
0.52
02g) + 2 H20(1) + 4 e
Cu*(aq) + 2 e
0.40
0.34
so, (aq) + 4 H*(aq) + 2 e
Cu2*(aq) + e
Snt(aq) + 2 e
2 H*(aq) + 2 e
Fe(aq) + 3 e
0.20
0.16
0.15
- H2g)
→ Fe(s)
→ Pb(s)
→ Sn(s)
-0.036
Pb2 (aq) + 2 e
Sn2+(aq) + 2 e
N2*(aq) + 2 e
Cd*(aq) + 2 e
Fe2+(aq) + 2 e
Cr*(aq) + e
Cr (aq) + 3 e
Zn*(aq) + 2 e
-0.13
-0.14
Ni(s)
-0.23
→ Cd(s)
-0.40
- Fe(s)
Cr2*(aq)
-0.45
-0.50
- Cr(s)
-0.73
+ Zn(s)
-0.76
+ H2g) + 2 OH (aq)
→ Mn(s)
+ Al(s)
-0.83
2 H20() + 2 e
Mn2 (aq) + 2 e
-1.18
-1.66
A*(aq) + 3 e
Mg2+(aq) + 2 e
Na (aq) + e
Ca (aq) + 2 e
Ba?+(aq) + 2 e
K*(aq) + e
oxidizing agent u*(aq) + e¯
-2.37
→ Mg(s)
→ Na(s)
-2.71
- Ca(s)
-2.76
- Ba(s)
-2.90
Stronger
reducing agent
- K(s)
-2.92
Weaker
- U(s)
-3.04
Transcribed Image Text:TABLE 18.1 Standard Electrode Potentlals at 25 °C Reduction Half-Reaction F) + 2 e E (V) + 2F (aq) Stronger oxidizing agent H202(aq) + 2 H*(aq) + 2 e 2.87 +2 H20(0 → PBSO«(s) + 2 H20(1) → Mn02(s) + 2 H20() - Mn*(aq) + 4 H20(1) Weaker reducing agent PbO2(s) + 4 H*(ag) + SO,²¯(aq) + 2 e Mn04 (aq) + 4 H*(aq) + 3 e Mno. (aq) + 8 H*(aq) + 5 e Au+(aq) + 3e Pb02(s) + 4 H*(aq) + 2 e 1.78 1.69 1.68 1.51 - Au(s) 1.50 - Pb2*(aq) + 2 H20() → 2 cr (aq) 2 C*(aq) + 7 H2O) 2 H20(1) Mn+(aq) + 2 H,01) + (aq) + 3 H20() 1.46 Cl2lg) + 2 e Cr30, (aq) + 14 H*(aq) + 6 e 02(g) + 4 H*(aq) + 4 e MnO2(s) + 4 H*(aq) + 2 e 10, (aq) + 6 H*(aq) + 5 e Br() + 2 e Vo,"(aq) + 2 H*(aq) + e NO, (aq) + 4 H*(aq) + 3 e- 1.36 1.33 → 1.23 1.21 1.20 → 2 Br (aq) 1.09 - vo?"(aq) + H20() NOE) + 2 H20(1) → CIO, (aq) 1.00 0.96 CIO2() + e Ag"(aq) + e Fe*(aq) + e 0.95 Ag(s) + Fe?*(aq) 0.80 0.77 02(g) + 2 H*(aq) + 2 e Mno, (aq) +e b(s) + 2 e Cu*(aq) + e +H2O2(aq) 0.70 → Mn0,2 (aq) →21 (aq) → Cu(s) 4 OH (aq) + Cu(s) → H2SO3(aq) + H20(1) - Cu*(aq) - Sn*(aq) 0.56 0.54 0.52 02g) + 2 H20(1) + 4 e Cu*(aq) + 2 e 0.40 0.34 so, (aq) + 4 H*(aq) + 2 e Cu2*(aq) + e Snt(aq) + 2 e 2 H*(aq) + 2 e Fe(aq) + 3 e 0.20 0.16 0.15 - H2g) → Fe(s) → Pb(s) → Sn(s) -0.036 Pb2 (aq) + 2 e Sn2+(aq) + 2 e N2*(aq) + 2 e Cd*(aq) + 2 e Fe2+(aq) + 2 e Cr*(aq) + e Cr (aq) + 3 e Zn*(aq) + 2 e -0.13 -0.14 Ni(s) -0.23 → Cd(s) -0.40 - Fe(s) Cr2*(aq) -0.45 -0.50 - Cr(s) -0.73 + Zn(s) -0.76 + H2g) + 2 OH (aq) → Mn(s) + Al(s) -0.83 2 H20() + 2 e Mn2 (aq) + 2 e -1.18 -1.66 A*(aq) + 3 e Mg2+(aq) + 2 e Na (aq) + e Ca (aq) + 2 e Ba?+(aq) + 2 e K*(aq) + e oxidizing agent u*(aq) + e¯ -2.37 → Mg(s) → Na(s) -2.71 - Ca(s) -2.76 - Ba(s) -2.90 Stronger reducing agent - K(s) -2.92 Weaker - U(s) -3.04
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