The Edison storage cell is represented as `:`
`Fe(s)|FeO(s)|KOH(aq)|Ni_(2)O_(3)(s)|Ni(s)`
The half`-` cell reactions are `:`

`a.` What is the cell reaction ?
`b.` What is the cell `EMF` ? How does it depend on the concentration of `KOH` ?
`c.` What is maximum amount of electrical energy that can be obtained from `1 mol ` of `Ni_(2)O_(3)` ?

The Edison storage cell is represented as Fe(s)|FeO(s)|KOH (aq)|Ni_(2)O_(3)(s)|Ni(s) the half-cell reactions are Ni_(2)O_(3)(s)+H_(2)O(l)+2e^(-) hArr 2NiO(s)+ 2OH^(-), E^(@)= + 0.40 V FeO(s)+H_(2)O(l) +2e^(-) hArr Fe(s)+2OH^(-), E^(@)=- 0.87 V What is the maximum amount of electrical energy that can be obtained from one mole of Ni_(2)O_(3) ?

The Edison storage cell is represented as, Fe_((s))|FeO_(S)||KOH_((aq.))||Ni_(2)O_(3(S))|No_((S)) the half-cell reactions are : Ni_(2)O_(3(S))+H_(2)O_((l))+2e^(-)rarr 2NiO_((S))+2OH^(-) , E^(@)=+0.40V FeO_((S))+H_(2)O_((I))+2e^(-)rarr Fe_((S))+2OH^(-) , E^(@)=-0.87V (i) What is the cell reaction ? (ii) What is the cell e.m.f. ? How does ir depend on the concentration of KOH ? (iii) What is the maximum amount of electrical energy that can be obtained from one mole of Ni_(2)O_(3) ?

The Edison strong cell is represented as : Fe(s)|FeO(s)|KOH(aq)|Ni_(2)O_(3)(s)|Ni(s) The half - cell reactions are as follows: Ni_(2)O_(3)(s)+H_(2)O(l)+2e hArr 2NiO(s)+2OH^(-), E^(@)=+0.40V FeO(s)+H_(2)O(l)+2e hArr Fe(s)+2OH, E^(@)=-0.87V (3) What is maximum amount of electrical energy that can be obtained from 1 mol of Ni_(2)O_(3) ?

The Edison strong cell is represented as : Fe(s)|FeO(s)|KOH(aq)|Ni_(2)O_(3)(s)|Ni(s) The half - cell reactions are as follows: Ni_(2)O_(3)(s)+H_(2)O(l)+2e hArr 2NiO(s)+2OH^(-), E^(@)=+0.40V FeO(s)+H_(2)O(l)+2e hArr Fe(s)+2OH, E^(@)=-0.87V (2) What is the cell EMF? How does it depend on the concentration of KOH?

A cell is represented in the following way. Cu(s)|Cu^(2+)(aq) || Ag^+(aq)|Ag(s) Write the half cell reactions.

The Edison strong cell is represented as : Fe(s)|FeO(s)|KOH(aq)|Ni_(2)O_(3)(s)|Ni(s) The half - cell reactions are as follows: Ni_(2)O_(3)(s)+H_(2)O(l)+2e hArr 2NiO(s)+2OH^(-), E^(@)=+0.40V FeO(s)+H_(2)O(l)+2e hArr Fe(s)+2OH, E^(@)=-0.87V (1) What is the cell reaction?