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Given the standard electrode potentials,...

Given the standard electrode potentials, `K^(+) | K = -2.93 V`,`Ag^(+) | Ag = 0.80 V` , `Hg_(2)^(2+) | Hg = 0.79 V` , `Mg_(2)^(2+) | Mg = -2.73 V` , `Cr_(2)^(3+) | Cr = -0.74 V`. Arrange these metals in increasing order of their reducing power.

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