Which of the following recations occur at cathode? A) `cu^(+2)`+2e---> Cu B) Cu+2e--> `Cu^(+2) C) both A and B D) none of these

State whether the following conversions are oxidation or reduction reactions. Cu^(2+) + 2e^(-) to Cu

Find the equilibrium constant of the following reaction Cu^(2+) (aq) +Sn^(2+) (aq) hArr Cu(s) +Sn^(4+) (aq) at 25^(@)C, E_(Cu^(2+)//Cu)^(Theta)=0.34V, E_(Sn^(4+)//Sn^(2+))^(Theta)=0.155V

E_(Cu^(+2)//Cu)^(@)=0.34V, E_(Zn//Zn^(+2))^(@)=0.76V A cell formed by the conbination of Cu and Zn (a) when CuSO_(4) is added to Cu^(+2) compartment what is the effect on emf of cell (b) when NH_(3) is added to Cu^(+2) compartment what is the effect on emf of cell (c ) When ZnSO_(4) is added to Zn^(+2) compartment is the effect on emf of cell (d) When Zn^(+2) is diluted what is the effect on emf of cell ?

For the given concentration cell Cu(s)|Cu^(2+) (C_2 M) || Cu^(2+)(C_1 M) |Cu(s) Gibbs energy triangle G is negative if:

Electrochemical equivalent of Cu in the reaction Cu^(2+) + 2e^(-) rarr Cu(s) is :

The standard potential E^(@) for the half reactions are as : Zn rarr Zn^(2+) + 2e^(-), E^(@) = 0.76V Cu rarr Cu^(2+) +2e^(-) , E^(@) = -0.34 V The standard cell voltage for the cell reaction is ? Zn +Cu^(2) rarr Zn ^(2+) +Cu

The E^(c-) for Cu^(2+)//Cu^(o+),Cu^(o+)//Cu,Cu^(2+)//Cu, are 0.15V,0.50V and 0.325V , respectively. The redox cell showing redox reaction 2Cu^(o+) rarr Cu^(2+)+Cu is made. E^(c-) of this cell reaction and DeltaG^(c-) may be

In the electrolysis of CuSO_4 , the reaction: Cu^(2+)+2e^(-) rarr Cu ,takes place at:

The species which convert Cu^(2+) to Cu^(+)

For the given concentration cell Cu(s)|Cu^(2+) (C_1 M) || Cu^(2+)(C_2 M) |Cu(s) Gibbs energy triangle G is negative if: