TABLE 11.1 Standard Reduction Potentials at 25°C (298 K) for Many Common Half-re

Question

TABLE 11.1 Standard Reduction Potentials at 25°C (298 K) for Many Common Half-reactions Half-reaction Half-reaction 02 + 2H2O + 4e- 4OH- Hg,Cl2 + 2e- 2Hg + 2Cl SO42-+ 4H+ + 2e- H2SO3 + H2O 3 2 Cr,'+ + e- CO2 + H2O2 + 2H' + 2e- 2H2O PbO2 + 4H' + SO42-+2e- PbSO4 +2H2O MnQ-+ 4H' + 3e- MnO2 + 2H2O lo,-+ 2H+ + 2e- IO3-+ H2O MnO4 + 8H' +5e' Mn2+ +4H20 1.69 2 6 Pb2++ 2e Pb PbO2 +4H' + 2e Pb2 + +2H2O PbSO4 +2e- Pb+ SO42- CT2072-+ 14H' + 6e- 2Cr3 + +7H2O 02 + 4H' + 4e- 2H2O Mn(), 4H' + 2e- Mn2+ + 2H2O 2H2O + 2e H2 + 20H AuCI,-+ 3e- Au + 4C1 No, + 4H' +3e NO +2H20 2Hg2+ + 2e- Hg22+ 0.91 Mg2++ 2e-Mg 7 5 Fe*+ + e- Fe 02 + 2H + + 2e- H2O2 0

Explanation / Answer

a) No

b) No

c) No

d) Yes

e) Yes

f) Yes

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