Standard reduction electrode potentials of three metals A,B\&C are respectively $+0.5 \mathrm{~V},-3.0…
Standard reduction electrode potentials of three metals A,B\&C are respectively $+0.5 \mathrm{~V},-3.0 \mathrm{~V} \&-1.2 \mathrm{~V}$. The reducing, powers of these metals are