`E_(Cr^(3+)|Cr^(2+))^(0)=-0.4V, E_(Mn^(3+)|Mn^(2+))^(0)=+1.5V`,
`E_(Fe^(3+)|Fe^(2+))^(0)=+0.8V`, discuss the tendency of the bivalent ions to transform iont + 3 oxidation state on the basis of the above data.

Given : E_(Cr^(3+)|Cr)^(@)=-0.74V, E_(MnO_(4)^(-)|Mn^(2+))^(@)=1.51V E_(Cr_(2)O_(7)^(2-)|Cr^(3+))^(@)=1.33V, E_(Cl|Cl^(-))^(@)=1.36V Based on the data, strongest oxidising agent -

Given : E_(Cr^(3+)|Cr)^(@)=-0.74V, E_(Fe^(3+)|Fe^(2+))^(@)=+0.77V . What happens when Cr is mixed with a solution of Fe(III) ion?

Fe^(2+) has a greater tendency to attain the + 3 oxidation state as compared to Mn^(2+) . Give reason.

Given E_(Cl_(2)|Cl^(-))^(0) = 1.36V, E_(Cr^(3+)|Cr)^(0) = -0.74V, E_(Cr_(2)O_(7)^(2-)|Cr^(3+))^(0) = 1.33V, E_(MnO_(4)^(-)|Mn^(2+))^(0) = 1.51 V. Among the following , the strongest reducing agent is -

Given that : E_(Ni^(2+)|Ni)^(@)=-0.25V, E_(Cd^(2+)|Cd)^(@)=-0.40V, e_(Fe^(2+)|Fe)^(@)=-0.44V, E_(Cu^(2+)|Cu)^(@)=+0.34V, E_(Fe^(3+)|Fe)^(@)=-0.036V, E_(2H^(+)|H_(2))^(@)=0.00V, E_(I_(2))|(2I^(-))^(@)=+0.80V Select appropriate species in each of the following cases : I^(-) is oxidised but not Br^(-) .

Use the given data E_(Cr_(2)O_(7)^(2-)|Cr^(3+))^(@)=+1.33V, E_(Cl_(2)|Cl^(-))^(@)=+1.36V E_(MnO_(4)^(-)|Mn^(2+))^(@)=+1.51V, E_(Cr^(3+)|Cr)^(@)=-0.74V find out in which option the order of reducing power is correct -

For M^(2+)|M and M^(3+)|M^(2+) systems the E^(0) values for some metals are as follows : {:(Cr^(2+)"|"Cr,,-0.9V,,Cr^(3+)|Cr^(2+),,-0.4V),(Mn^(2+)"|"Mn,,-1.2V,,Mn^(3+)|Mn^(2+),,+1.5V),(Fe^(2+)"|"Fe,,-0.4V,,Fe^(3+)|Fe^(2+),,+0.8V):} Use this data to comment upon : the stability of Fe^(3+) in acid solution as compared to that of Cr^(3+) or Mn^(3+)

For M^(2+)|M and M^(3+)|M^(2+) systems the E^(0) values for some metals are as follows : {:(Cr^(2+)"|"Cr,,-0.9V,,Cr^(3+)|Cr^(2+),,-0.4V),(Mn^(2+)"|"Mn,,-1.2V,,Mn^(3+)|Mn^(2+),,+1.5V),(Fe^(2+)"|"Fe,,-0.4V,,Fe^(3+)|Fe^(2+),,+0.8V):} Use this data to comment upon : the ease with which iron can be oxidised as compared to a similar process for either chromium or manganese metal.

Given : E_(Cl_(2)|Cl^(-))^(@)=1.36V, E_(Cr^(3+)|Cr)^(@)=-0.74V, E_(Cr_(2)O_(7)^(2-)|Cr^(3+))^(@)=1.33V, E_(MnO_(4)^(-)|Mn^(2+))^(@)=1.51V . Among the following the strongest reducing agent is -