A cell is prepared by dipping a zinc rod in 1(M) `ZnSo_4` solution. The standard electrode potential for `Pb^(2+)/ Pb and Zn^(2+) /Zn electrodes are -0.126V and -0.763 V respectively.
How will you represent the cell?

A cell is prepared by dipping a zinc rod in 1(M) ZnSo_4 solution. The standard electrode potential for Pb^(2+)/ Pb and Zn^(2+) /Zn electrodes are -0.126V and -0.763 V respectively. Write the half cell reactions and overall cell reaction.

Standard electrode potential of three metals X, Y and Z are -1.2V, 0.5V and-3.0V respectively. The reducing power of these metals will be -

The standard electrode potential of Cu^(2+)|Cu half cell is +0.34V . What does it mean?

The standard reduction potentials of Fe^(3+)//Fe and Fe^(2+)//Fe electrode systems are -0.035 V and -0.44V respectively. Predict which of the two oxidations is easy : Fe^(3+)//Fe and Fe^(2+)//Fe .

The standard reduction potentials for Zn^(2+)|Zn, Ni^(2+)|Ni and Fe^(2+)|Fe are -0.76, -0.23 and 0.44V respectively. The reaction x+y^(2+)rarr x^(2+)+y will be spontaneous when -

The electrode potential for Cu^(2+)(aq)+e rarr Cu^(+)(aq) and Cu^(+)(aq)+e rarr Cu(s) are 0.15V and 0.50V respectively. The value of E_(Cu^2+)|Cu^(@) will be -

Zn - granules are added in excess to 500 mL of 1.0 M nicke nitrate solution at 25^(@)C until the equilibrium is reached. If standard reduction potential of Zn^(2+)|Zn and Ni^(2+)|Ni are -0.75V and -0.24V , respectively, find out the concentration of Ni^(2+) in solution at equilibrium.

The standard reduction potential of Zn^(2+)|Zn electrode is -0.76 V . What will be the electrode reactions if this electrode is coupled with a standard hydrogen electrode?

Which one of the following reactions will be spontaneous if the standard reduction potential of M^(+)|M and X|X^(-) electrodes of the galvanic cell. M|M^(+)||X^(-)|X is +0.44V and +0.33V respectively? (i) M+XrarrM^(+)+X^(-), (ii) M^(+)+X^(-)rarr M+X.

A monochromatic source of light is kept at a distance of 0.2 m from a photoelectric cell. Stopping potential V_(0) and saturation current I_(0) are 0.6 V and 18.0 mA, respectively. Now the source is kept at a distance of 0.6 m from the cell. Then