Standard electrode potential `Au^(+3)//Au` couple is 1.428 V and that for `Na^(+)//Na` couple `-2.714 V` These two couples in their standard state are connected to make a cell. The cell potential will be :-

Standard electrode potential for Sn^(4+)//Sn^(2+) couple is 0.15 V and that for the Cr^(3+)//Cr couple is -0.74 V . These two couples in their standard state are connected to make a cell. The cell potential will be

Standard electrode potential for Sn^(4+)//Sn^(2+) couple is +0.15 V and that for the Cr^(3+)//Cr couple is -0.74 V . These two couples in their standard state are connected to make a cell . The cell potential will be

Standard electrode potential for Sn^(4+)//Sn^(2+) couple is 0.15 V and that for the Cr^(3+)//Cr couple is -0.74 V . These two couples in their standard state are connected to make a cell. The cell potential will be +0.89 V , +0.18 V , +1.83 V , +1.199 V

Standard electrode potential for Sn^(4+)//Sn^(2+) couple is + 0.15 V and that for the Cr^(3+) //Cr coule is -0. 74 V . These two coules in their standard state are connected to made a cell. The cell potential wil be .

Standard electrode potential of (Ni^(2+))/(Ni) couple is - 0.25 V and that of (Ag^+)/(Ag) is 0.80 V. These couples in their standard state are connected to make a cell. The cell potential will be

Standard electrode potential of (Ni^(2+))/(Ni) couple is - 0.25 V and that of (Ag^+)/(Ag) is 0.80 V. These couples in their standard state are connected to make a cell. The cell potential will be