For given reaction sequence: PhenolCO2−−−−→NaOH(A)H+−−→(B)Ac2O−−−→H+(C) (C) is:
For the redox reaction
Mno⊝4+C2O2−4+H⊕→Mn+2+CO2+H2O
The correct coefficients of the reactants for the balanced reaction are