Using the standard electrode potential values given below, decide which of the statements, `I,II,III` and `IV` are correct. Choose the right answer from `(1) (2)` and `(4)` `Fe^(2+)+2e^(-) hArr " "," "E^(0)=-0.44V` `Cu^(2+)+2e^(-) hArr Cu" "," "E^(0)=+0.34V` `Ag^(+)+e^(-)hArr Fe" "," "E^(0)=+0.80V` `I. ` Copper can displace iron from `FeSO_(4)` solution. `II.` Iron can displace copper from `CuSO_(4)` solution `III.` Silver can displace copper from `CuSO_(4)` solution `IV.` Iron can displace silver from `AgNO_(3)` solution.A. I and IIB. II and IIIC. II and IVD. I and IV

Using the standard electrode potential values given below, decide whic

1.	Using the standard electrode potential values given below, decide which of the statements, `I,II,III` and `IV` are correct. Choose the right answer from `(1) (2)` and `(4)` `Fe^(2+)+2e^(-) hArr " "," "E^(0)=-0.44V` `Cu^(2+)+2e^(-) hArr Cu" "," "E^(0)=+0.34V` `Ag^(+)+e^(-)hArr Fe" "," "E^(0)=+0.80V` `I. ` Copper can displace iron from `FeSO_(4)` solution. `II.` Iron can displace copper from `CuSO_(4)` solution `III.` Silver can displace copper from `CuSO_(4)` solution `IV.` Iron can displace silver from `AgNO_(3)` solution.A. I and IIB. II and IIIC. II and IVD. I and IV
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An alloy of Pb-Ag weighing `1.08g` was dissolved in dilute `HNO_(3)` and the volume made to 100 mL.A ? Silver electrode was dipped in the solution and the emf of the cell dipped in the solution and the emf of the cell set-up as `Pt(s),H_(2)(g)|H^(+)(1M)||Ag^(+)(aq.)|Ag(s)` was `0.62 V` . If `E_("cell")^(@)` is `0.80 V`, what is the percentage of Ag in the alloy ? (At `25^(@)C, RT//F=0.06`)A. 25B. `2.50`C. 10D. 50
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