Reduction potentials of 4 metals A, B, C and D are `- 1.66 V, + 0.34 V, + 0.80 V and -0.76 V.` What is the order of their reducing power and reactivity ?

The standard reduction potential of metals A, B and C are -2.37V, +1.85V and +1.36V , respectively. What will be the order of reducing power of the metals?

The standard reduction potentials of three metals A,B, and C are +0.5 V , -3.0V, and -1.2V , respectively. The order of reducing power of these metals is