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The standard oxidation potential for Mn^...

The standard oxidation potential for `Mn^(3+)` ion acid solution are `Mn^(2+)overset(-1.5V)rarrMn^(3+) overset(-1.0V)rarr MnO_(2)`. Is the reaction `2Mn^(3+)+2H_(2)O rarr Mn^(2+)+MnO_(2)+4H^(+)` spontaneous under conditions of unit activity ? What is the change in free energy ?

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The standard oxidation potentials for Mn^(3+) ion acid solution are Mn^(2+)overset(-1.5V)toMn^(3+)overset(-1.0V)toMnO_(2) . Is the reaction 2Mn^(3+)+2H_(2)OtoMn^(2+)+MnO_(2)+4H^(+) spontaneous under conditions of unit activity? What is the change in free energy?

The standard oxidation potentials for Mn^(3+) ion acid solution are Mn^(2+)overset(-1.5V)toMn^(3+)overset(-1.0V)toMnO_(2) . Is the reaction 2Mn^(3+)+2H_(2)OtoMn^(2+)+MnO_(2)+4H^(+) spontaneous under conditions of unit activity? What is the change in free energy?

In the reaction C_(2)O_(4)^(2-)+MnO_(4)^(-)+H^(+) rarr Mn^(2+)+CO_(2)+H_(2)O the reductant is

The eq. mass of KMnO_4 in the reaction, MnO_4^(-) +Mn^(2+) +H_(2)O rarr MnO_2 +H^(+) (unbalanced) is

In the reaction C_(2) O_(4)^(-2) + MnO_(4)^(-) + H^(+) rarr Mn^(+2) +CO_(2) the reductants is -

In acidic medium, the reaction, MnO_4^(1-) rarr Mn^(2+) involves :