Stadard reduction electrode potentials of three metals A,B and C are respectively `+0.5V, -3.0V` and `-1.2V`. The reducing powers of these metals are:

Standard reduction electrode potentials of three metals A,B and C are respectively +0.5V, -3.0V and -1.2V . The reducing powers of these metals are:

Standard reduction electrode potential of three metals A, B and C are respectively +0.05 V, -3.0 and -1.2 V. The reducing powers of

Standared reduction electrode potenitals of three metals A, B and C are =0.5 V, - 3.0 V , and -1.2 V respectively. The reducing power of these metals are :

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