In: Chemistry
Balance the reaction:
H+ + TcO4 - + HCOOH → Tc2+ + H2O + CO2
oxidation half reaction reduction half reaction
HCOOH -------> CO2 TcO4^- --------------> Tc^2+
HCOOH -------> CO2 TcO4^- --------------> Tc^2+ + 4H2O
HCOOH -------> CO2+2H^+ TcO4^- +8H^+ --------------> Tc^2+ + 4H2O
HCOOH -------> CO2+2H^+ +2e^- TcO4^- +8H^+ +5e^- --------------> Tc^2+ + 4H2O
5HCOOH -------> 5CO2+10H^+ +10e^-
2TcO4^- +16H^+ +10e^- --------------> 2Tc^2+ + 8H2O
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5HCOOH + 2TcO4^- + 16H^+ -------> 5CO2 + 2Tc^2+ + 8H2O