Using the E° values of A and B, predict which is better for coating the surface of iron [E°(Fe^2+/Fe) = - 0.44 V] to prevent corrosion and why ? - Sarthaks eConnect

Using the E° values of A and B, predict which is better for coating the surface of iron [E°(Fe²⁺/Fe) = - 0.44 V] to prevent corrosion and why ?

Given : E°(A²⁺/A) = -2.37 V: E° (B²⁺/B) = - 0.14 V

Using the E° values of A and B, predict which is better for coating the surface of iron [E°(Fe^2+/Fe) = - 0.44 V] to prevent corrosion and why ?