Use data from Table 19.1, as necessary, to predict the probable products when Pt electrodes are used
Question:
Use data from Table 19.1, as necessary, to predict the probable products when Pt electrodes are used in the electrolysis of
(a) CuCl2(aq);
(b) Na2SO4(aq);
(c) BaCl2(l);
(d) KOH(aq).
Table 19.1
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 2F (aq)
O3(g) + 2 H¹ (aq) + 2 e 0₂(g) + H₂O(1)
S₂O² (aq) + 2 e
2 SO4²(aq)
H,Oz(aq) + 2H*(aq) +2e <2H,O(1)
Ce+ (aq) + Ce³+ (aq)
MnO₂ (aq) + 4H*(aq) + 3 e¯ ⇒ MnO₂(s) + 2 H₂O(1)
PbO₂(s) + SO² (aq) + 4H+ (aq) + 2e¯ — PbSO(s) + 2 H₂O(1)
Cl₂(g) + 2 e 2 Cl(aq)
Cr₂O7² (aq) + 14 H¹(aq) + 6 e¯ — 2 Cr³+ (aq) + 7 H₂O(1)
MnO2 (s) + 4 H* (aq) + 2 e Mn²+ (aq) + 2 H₂O(1)
O₂(g) + 4 H(aq) + 4e
2 H₂O(1)
IO3 (aq) + 12 H(aq) + 10 e ₂(s) + 6 H₂0 (1)
Br₂ (1) 2e 2 Br
NO(g) + 2 H₂O(1)
NO3 (aq) + 4H¹ (aq) + 3e¯¯—
Ag (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 2F (aq)
O3(g) + 2 H¹ (aq) + 2 e 0₂(g) + H₂O(1)
S₂O² (aq) + 2 e
2 SO4²(aq)
H,Oz(aq) + 2H*(aq) +2e <2H,O(1)
Ce+ (aq) + Ce³+ (aq)
MnO₂ (aq) + 4H*(aq) + 3 e¯ ⇒ MnO₂(s) + 2 H₂O(1)
PbO₂(s) + SO² (aq) + 4H+ (aq) + 2e¯ — PbSO(s) + 2 H₂O(1)
Cl₂(g) + 2 e 2 Cl(aq)
Cr₂O7² (aq) + 14 H¹(aq) + 6 e¯ — 2 Cr³+ (aq) + 7 H₂O(1)
MnO2 (s) + 4 H* (aq) + 2 e Mn²+ (aq) + 2 H₂O(1)
O₂(g) + 4 H(aq) + 4e
2 H₂O(1)
IO3 (aq) + 12 H(aq) + 10 e ₂(s) + 6 H₂0 (1)
Br₂ (1) 2e 2 Br
NO(g) + 2 H₂O(1)
NO3 (aq) + 4H¹ (aq) + 3e¯¯—
Ag (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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