The standard potentials at `25^@C` for the following half reactions are given against them
` Zn^(2+) +2e^(-) rarr Zn, E^0 =-0 . 762 V `
`Mg^(2+) +2e^(-) rarr Mg, =- 2.37 V`.
When zinc dust is added to a solution of magnesium chloride .`

The standard Potentials at 25^@C for the half reactions are given against them below: Zn^(2+) + 2e^(-) to Zn,E^@ = -0.762V Mg^(2+) + 2e^(-) to Mg, E^@ = -2.37V When Zn dust is added to a solution of MgCl_2

The standerd potential at 25^(@) for the following Half rection is given : Zn^(2+)+2e^(-)toZn,E^(@)=-0.762 V Mg^(2+)+2e^(-)toMg,E^(@)=-2.37 V When Zinc dust is added to the solution of MgCl_(2) .

The standerd potential at 25^(@) for the following Half rection is given : Zn^(2+)+2e^(-)toZn,E^(@)=-0.762 V Mg^(2+)+2e^(-)toMg,E^(@)=-2.37 V When Zinc dust is added to the solution of MgCl_(2) .

The standerd potential at 25^(@) for the following Half rection is given : Zn^(2+)+2e^(-)toZn,E^(@)=-0.762 V Mg^(2+)+2e^(-)toMg,E^(@)=-2.37 V When Zinc dust is added to the solution of MgCl_(2) .

The standard reduction potentials at 25^(@)C for the following half reactions are given against each: Zn^(2+) (a.q) + 2e^(-) rarr Zn (s) : " " - 0.762 Cr^(3+) (a.q) 3e^(-) rarr Cr (s) , " " - 0.740 2H^(+) + 2e^(-) rarr H_(2) (g), " " 0.00 Fe^(3+) + e^(-) rarr Fe^(2+) , " " 0.77 Which is the strongest reducing agent?

In the following half cell reactions, select the better reducing agent : Mg^(2+) + 2e^(-) rarr Mg, E^(@)= -2.37 V Fe^(3+) + 3e^(-) rarr Fe, E^(@) = -0.44 V

The standard potential (E^(0)) for the half reaction are as Zn to Zn^(2+) + 2e^(-) , E^(0) = + 0.76 V Fe to Fe^(2+) + 2e^(-) , E^(0) = + 0.41 V . The emf for the cell reaction Fe^(2+) + Zn to Zn^(2+) + Fe is

The standard potentials at 298 K for the following halfreactions are as given Zn^(2+) + 2e underset(larr)(rarr) Zn E^o =- 0/ 762 V . 2 H^+ + 2 Erarr H_2 (g) E^o = 0.000 V Cr^(3+) + 3e underset(larr)(rarr) Cr E^o =- 0.740 V Fe^(3+) 2e rarr Fe^(2+) E^o =0.772 V Which of the following is the strongest reducing agent ?