(A) Use data from Table 19.1 to predict the probable products when Pt electrodes are used in...
Question:
(A) Use data from Table 19.1 to predict the probable products when Pt electrodes are used in the electrolysis of KI(aq).
Table 19.1
(B) In the electrolysis of AgNO3(aq), what are the expected electrolysis products if the anode is silver metal and the cathode is platinum?
Transcribed Image Text:
TABLE 19.1 Standard Reduction Potentials at 298.15 K and 1 atma
Reduction Half-Cell Reaction
Acidic solution
F₂(g) + 2 e 2 F (aq)
O3(g) + 2 H+ (aq) + 2 e O₂(g) + H₂O(1)
S₂O² (aq) + 2 e
2 SO4²(aq)
H,Oz(aq) + 2H*(aq) +2e <2H,O(1)
Ce+ (aq) + e Ce³+ (aq)
MnO₂ (aq) + 4H*(aq) + 3 e¯ ⇒ MnO₂(s) + 2 H₂O(1)
PbO₂ (s) + SO² (aq) + 4H+ (aq) + 2e¯ — PbSO4(s) + 2 H₂O(1)
Cl₂(g) + 2 e 2 Cl(aq)
Cr₂O7² (aq) + 14 H*(aq) + 6 e¯ — 2 Cr³+ (aq) + 7 H₂O(1)
MnO2 (s) + 4H+ (aq) + 2 e Mn²+ (aq) + 2 H₂O(1)
O₂(g) + 4H+ (aq) + 4 e
2 H₂O(1)
IO3(aq) + 12 H+ (aq) + 10 e
2 Br
Br₂(1) 2 e
NO3(aq) + 4H(aq) + 3 e¯¯ — NO(g) + 2 H₂O(1)
Ag¹(aq) + e
Ag(s)
Fe³+ (aq) + e
Fe²+ (aq)
Oz(g) +2H*(aq) +2e
TABLE 19.1 Standard Reduction Potentials at 298.15 K and 1 atma
Reduction Half-Cell Reaction
Acidic solution
F₂(g) + 2 e 2 F (aq)
O3(g) + 2 H+ (aq) + 2 e O₂(g) + H₂O(1)
S₂O² (aq) + 2 e
2 SO4²(aq)
H,Oz(aq) + 2H*(aq) +2e <2H,O(1)
Ce+ (aq) + e Ce³+ (aq)
MnO₂ (aq) + 4H*(aq) + 3 e¯ ⇒ MnO₂(s) + 2 H₂O(1)
PbO₂ (s) + SO² (aq) + 4H+ (aq) + 2e¯ — PbSO4(s) + 2 H₂O(1)
Cl₂(g) + 2 e 2 Cl(aq)
Cr₂O7² (aq) + 14 H*(aq) + 6 e¯ — 2 Cr³+ (aq) + 7 H₂O(1)
MnO2 (s) + 4H+ (aq) + 2 e Mn²+ (aq) + 2 H₂O(1)
O₂(g) + 4H+ (aq) + 4 e
2 H₂O(1)
IO3(aq) + 12 H+ (aq) + 10 e
2 Br
Br₂(1) 2 e
NO3(aq) + 4H(aq) + 3 e¯¯ — NO(g) + 2 H₂O(1)
Ag¹(aq) + e
Ag(s)
Fe³+ (aq) + e
Fe²+ (aq)
Oz(g) +2H*(aq) +2e
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Related Book For
General Chemistry Principles And Modern Applications
ISBN: 9780132931281
11th Edition
Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette
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