The standard electrode potential of four metallic elements (A, B, C and D) are + 0.80, –0.76, + 0.12 and +0.34 V respectively. Arrange them in order of decreasing electropositive character

Explanation

Higher the electrode potential `(E^(@))` lower is the tendency of the metal to lose electrons and hence lower is the electropostive character of the metal since the electrode potentials increase in the order
-0.76(B)+0.12 (c )+0.34 (D) and +0.80 (A) therefore electropostive character decreases in the same order `BgtCgtDgtA`