Redox reaction?
S406 (2-) +Al -------> H2s + Al (3+)
and
MnO4(-) + C2O4 (2-) -----> Mn (2+) + CO2
Answer:
S4O6(2-) + 12H+ + 18e- >> 4S 2- + 6H2O
(Al >> Al3+ + 3e-) x 6
______________________________...
6Al + S4O62- + 12H+ >> 4S2- + 6H2O
(MnO4- + 8H+ + 5e->> Mn2+ + 4H2O) x2
(C2O42- >> 2CO2 + 2e-) x5
______________________________...
2MnO4- + 16H+ + 5C2O42- >> 2Mn2+ + 10CO2 + 8H2O
mmm, Please detail what you want. Obviously reactions are incomplete but it is not clear if you just want to complete the missing species, balance it, the complementing half-cell reaction, calculate the equilibrium constant, pK or what.
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