Is a spontaneous redox reaction obtained by pairing any reduction half-reaction with one listed above it or
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Is a spontaneous redox reaction obtained by pairing any reduction half-reaction with one listed above it or with one listed below it in Table 20.1?
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TABLE 20.1 Standard Electrode Potentials at 25 °C Reduction Half-Reaction High tendency towards reduction F₂(g) + 2 e H₂O₂(aq) + 2 H+ (aq) + 2 e PbO₂(s) + 4 H (aq) + SO₂ (aq) + 2 e MnO4 (aq) + 4 H*(aq) + 3 e MnO₂ (aq) + 8 H+ (aq) + 5 e Aus+ (aq) + 3 e PbO₂(s) + 4 H*(aq) + 2 e Cl₂(g) + 2 c Cr₂O72-(aq) + 14 H+ (aq) + 6 e O2(g) + 4 H(aq) + 4 e MnO₂(s) + 4 H*(aq) + 2 e 103(aq) + 6 H*(aq) + 5 e Br₂(l) + 2 e VO₂ (aq) + 2 H+ (aq) + e NO3(aq) + 4 H+ (aq) + 3 e CIO₂(g) + e Ag (aq) + e Fe³+ (aq) + e O₂(g) + 2 H+(aq) + 2 c MnO4 (aq) + e 12(s) + 2 e Cu (aq) + e O₂(g) + 2 H₂O(l) + 4 e Cu²+ (aq) + 2 e SO² (aq) + 4 H(aq) + 2 e Cu²+ (aq) + e Sn4+ (aq) + 2 e 2 F (aq) → 2 H₂O(l) → → 2 CI (aq) PbSO4(s) + 2 H₂O(l) MnO₂(s) + 2 H₂O(1) Mn²+ (aq) + 4H₂O(1) Au(s) → 2 H₂O(l) → Pb2+ (aq) + 2 H₂O(l) — Mnt(aq) + 2 H,O(1) * 3lz(aq) + 3 H2O(I) →→→2 Br (aq) 2 Cr³+ (aq) + 7 H₂O(l) → → NO(g) + 2 H₂O(l) CIO₂ (aq) → Ag(s) VO²+ (aq) + H₂O(1) → - → HyOz(aq) Fe²+ (aq) → Cu(s) MnO₂ (aq) 21 (aq) →→→ 4 OH (aq) → Cu(s) H₂SO3(aq) + H₂O(l) Cu (aq) Sn²+ (aq) E°(V) 2.87 1.78 1.69 1.68 1.51 1.50 1.46 1.36 1.33 1.23 1.21 1.20 1.09 1.00 0.96 0.95 0.80 0.77 0.70 0.56 0.54 0.52 0.40 0.34 0.20 0.16 0.15 Low tendency towards oxidation
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