Standard electrode potential data are useful for understanding the stability of an oxidant in a redox titration . Somehalf reactions and their standard potentials are given below : MnO_(4)^(-)(aq)+8H^(+)(g)+5e^(-)toMn^(2+)(aq)+4H_(2)O(l)E^(@)=1*51VCr_(2)O_(7)^(2-)(aq)+14H^(+)aq)+6e^(-)to2Cr^(3+)(aq)+7H_(2)+(l)E^(@)=1*38VFe^(3+)(aq)e^(-)toFe^(2+)(aq) "" E^(@)=0*77VCl_(2)(g)+2e^(-)to2Cl^(-)(aq) "" E^(@)=1*40VIdentify the only incorrect statement regarding the quantitative estimation of aqueous Fe(NO_(3))_(2).

Standard electrode potential data are useful for understanding the sta

1.	Standard electrode potential data are useful for understanding the stability of an oxidant in a redox titration . Somehalf reactions and their standard potentials are given below : MnO_(4)^(-)(aq)+8H^(+)(g)+5e^(-)toMn^(2+)(aq)+4H_(2)O(l)E^(@)=151VCr_(2)O_(7)^(2-)(aq)+14H^(+)aq)+6e^(-)to2Cr^(3+)(aq)+7H_(2)+(l)E^(@)=138VFe^(3+)(aq)e^(-)toFe^(2+)(aq) "" E^(@)=077VCl_(2)(g)+2e^(-)to2Cl^(-)(aq) "" E^(@)=140VIdentify the only incorrect statement regarding the quantitative estimation of aqueous Fe(NO_(3))_(2).
Answer» `MnO_(4)^(-)`can be USED in aqueous HCl `Cr_(2)O_(7)^(2-)` can be used in aqueous HCl `MnO_(4)^(-)` can be used in aqueous `H_(2)SO_(4)` `Cr_(2)O_(7)^(2-)` can be used in aqueous `H_(2)SO_(4)` Answer :A