Chapter22: Bulk Electrolysis: Electrogravimetry And Coulometry
Section: Chapter Questions
Problem 22.25QAP
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![be immersed and cell of the follow type is produced:
Ag|AGCLHC(aq)\glass|unknownsolution|KCl|Hg,Cl,
(s)
Balancing Oxidation-Reduction Equations:
Ex: HNO3 + H2S → NO +S + H20
Sol:
3e- +N+5 → N+2]×2= 6e- + 2N*5
S-2 S° + 2e-]x3 = 3S-2 3S° + 6e-
Reduction
Oxidation
- 2N+2
8H260
2HNO, +3H,S → 2NO + 3S + 4H,0 81, 60
2N+5 + 3S-2 –→
2N+2 + 35°
+6
Ex: KMN0, + KCl + H,šö,
Sol: + +X-8-o
- MNSO, + K,S0, + H¿0 + Cl,
X+6-8=0
X= +2
10e- + 2Mn+7 –
2Mn+2 Red
Asid
5e-+ Mn+7 – Mn+2 =
201- Cl2 + 2e¯ = 10Cl- 5Cl, + 10e-
2KMN0, + 10KCI + 8H2S0, → 2MNSO, + 5C12 + 8H20
+7
25
2 Mn+ 10 c1
> 2 Mn?
2K Mn nkcl
2 .Sa I Mnsout 5cl2+
Solve the question with such
steps
Thanks](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F50eec3af-a3e2-483c-a89b-f56a04e478f5%2F633d8fe3-d18c-4ce9-ac2d-4a58ff7780bb%2Ftx2o34o_processed.jpeg&w=3840&q=75)
Transcribed Image Text:be immersed and cell of the follow type is produced:
Ag|AGCLHC(aq)\glass|unknownsolution|KCl|Hg,Cl,
(s)
Balancing Oxidation-Reduction Equations:
Ex: HNO3 + H2S → NO +S + H20
Sol:
3e- +N+5 → N+2]×2= 6e- + 2N*5
S-2 S° + 2e-]x3 = 3S-2 3S° + 6e-
Reduction
Oxidation
- 2N+2
8H260
2HNO, +3H,S → 2NO + 3S + 4H,0 81, 60
2N+5 + 3S-2 –→
2N+2 + 35°
+6
Ex: KMN0, + KCl + H,šö,
Sol: + +X-8-o
- MNSO, + K,S0, + H¿0 + Cl,
X+6-8=0
X= +2
10e- + 2Mn+7 –
2Mn+2 Red
Asid
5e-+ Mn+7 – Mn+2 =
201- Cl2 + 2e¯ = 10Cl- 5Cl, + 10e-
2KMN0, + 10KCI + 8H2S0, → 2MNSO, + 5C12 + 8H20
+7
25
2 Mn+ 10 c1
> 2 Mn?
2K Mn nkcl
2 .Sa I Mnsout 5cl2+
Solve the question with such
steps
Thanks
![Balancing osidation-reduction
Equationa
2 HW:Zn + NANO, + NAOH
NazZn02 + NH3 + H2O](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F50eec3af-a3e2-483c-a89b-f56a04e478f5%2F633d8fe3-d18c-4ce9-ac2d-4a58ff7780bb%2Fa2pyppg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Balancing osidation-reduction
Equationa
2 HW:Zn + NANO, + NAOH
NazZn02 + NH3 + H2O
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