Question

Given the standard electrode potentials, K⁺/K = -2.93V, Ag⁺/Ag = 0.80V, Hg²⁺/Hg = 0.79v Mg²⁺/Mg = -2.37 V, Cr³⁺/Cr = - 0.74v Arrange these metals in their increasing order of reducing power.

Answer 1

Answer:

K+/k >mg+2/mg > hg+2/hg > ag+/ag

In the question there is reduction potential is given. And asking for the reducing power. Means which one undergo oxidation first. Means higher the oxidation potential is more reducing power than other. Or less is the reduction potential is more reducing power than other.

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