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Show that E(Fe^(+3)//Fe^(+2))^(@) =3E(Fe...

Show that `E_(Fe^(+3)//Fe^(+2))^(@) =3E_(Fe^(+3)//Fe)^(@)-2E_(Fe^(+2)//Fe)^(@)`

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Explore conceptually related problems

Given that E_(Fe^(2+)//Fe)^(.)=-0.44V,E_(Fe^(3+)//Fe^(2+))^(@)=0.77V if Fe^(2+),Fe^(3+) and Fe solid are kept together then

The spontaneous redox reaction //s among the follow is // are (a) 2Fe^(3+)+Fe rarr 3Fe^(++) (b)Hg_(2)^(++) rarr Hg^(++)+Hg (c ) 3AgCl+NO+2H_(2)O rarr 3Ag+3Cl^(-)+NO_(3)^(-)+4H^(+) Given that E_(Fe(+++)//Fe^(++))^(.)=0.77V" "E_(Fe^(++)//Fe)^(.)=-0.44V E_(Hg^(+-)//Hg)^(.)=0.85V" "E_(Hg^(++)//Hg_(2))^(.)=0.92V E_(AgCl//Ag)^(.)=0.22V " "E_(NO_(3)//NO)^(.)=0.96V

If E_(Fe^(2+)//Fe)^(@)=-0.440 V and E_(Fe^(3+)//Fe^(2+))^(@)=0.770 V , then E_(Fe^(3+)//Fe)^(@) is -

What is the standard reducing potential (E^(@)) for Fe^(3+)to Fe ? (Given that Fe^(2+)+2e^(-)rightarrowFe, E_(Fe^(2+)//Fe^(@)) =-0.47V Fe^(3+) + e^(-)to Fe^(2+) , E_(Fe^(3+)//Fe^(2+))^(@)= +0.77V

Knowledge Check

  • Given that E_(Fe^(2+)//Fe)^(.)=-0.44V,E_(Fe^(3+)//Fe^(2+))^(@)=0.77V if Fe^(2+),Fe^(3+) and Fe solid are kept together then

    A
    `Fe^(3+)` Increase
    B
    `Fe^(3+)` decrease
    C
    `Fe^(2+)//Fe^(3+)` remains unchanged
    D
    `Fe^(2+)` decreases

  • E_(Fe^(3+)//Fe^(+2))^(0)=+0.77V,E_(Fe^(+3)//Fe)^(0)=0.036V . What is E_(Fe//Fe^(+2))^(0) and is Fe^(+2) stable to disproportionation in aqueous solution under standard conditions

    A
    `+0.44 V,` yes
    B
    `-0.44V`, No
    C
    `+0.44 V`, No
    D
    `-0.44 V`, yes

  • The spontaneous redox reaction //s among the follow is // are (a) 2Fe^(3+)+Fe rarr 3Fe^(++) (b)Hg_(2)^(++) rarr Hg^(++)+Hg (c ) 3AgCl+NO+2H_(2)O rarr 3Ag+3Cl^(-)+NO_(3)^(-)+4H^(+) Given that E_(Fe(+++)//Fe^(++))^(.)=0.77V" "E_(Fe^(++)//Fe)^(.)=-0.44V E_(Hg^(+-)//Hg)^(.)=0.85V" "E_(Hg^(++)//Hg_(2))^(.)=0.92V E_(AgCl//Ag)^(.)=0.22V " "E_(NO_(3)//NO)^(.)=0.96V

    A
    `a`
    B
    `a,b,c`
    C
    `a,b`
    D
    `a,c`