Standard electrode potential data are useful for understanding the suitability of an oxidant in a redox titration. Some half cell reactions and their standard potentials are given below: MnO_((aq))^- +8_((aq))^+ +5e to Mn_((aq))^(2+)+4H_2O_((l)), E^0=1.51V Cr_2O_(7(aq))^(2-)+14H_((aq))^+ +6e to MnO_(4(aq))^-+8H_((aq))^+ +6e to 2Cr_((aq))^(3+)+7H_2O_((l)),E^0=1.38V Fe_((aq))^(3+)+e^- toFe_((aq))^(2+),E^0=0.71V Cl_2(g)+2e^- to 2C_((aq))^-, E^0=1.40V Identify the only incorrect statement regarding the quantitive estimation of aqueous Fe(NO+3)_2

Standard electrode potential data are useful for understanding the sui

1.	Standard electrode potential data are useful for understanding the suitability of an oxidant in a redox titration. Some half cell reactions and their standard potentials are given below: MnO_((aq))^- +8_((aq))^+ +5e to Mn_((aq))^(2+)+4H_2O_((l)), E^0=1.51V Cr_2O_(7(aq))^(2-)+14H_((aq))^+ +6e to MnO_(4(aq))^-+8H_((aq))^+ +6e to 2Cr_((aq))^(3+)+7H_2O_((l)),E^0=1.38V Fe_((aq))^(3+)+e^- toFe_((aq))^(2+),E^0=0.71V Cl_2(g)+2e^- to 2C_((aq))^-, E^0=1.40V Identify the only incorrect statement regarding the quantitive estimation of aqueous Fe(NO+3)_2
Answer» `MnO_4^-` can be USED in aqueous HCL `Cr_2O_7^(2-)` can be used in aqueous HCl `MnO_4^-` can be used in aqueous `H_2SO_4` `Cr_2O_7^(2-)` can be used in aqueous `H_2SO_4` Solution :(D) it is the case of attacked electrode that is ANODE: Cu `rarr Cu^(2+)`+2e, CATHODE : `Cu^(2+)` +2e `rarr` Cu Thus no change in CONC. Of `Cu^(2+)` ions.