1.

Given the standard electrode potentials K^(+)|K=-2.93V,Ag^(+)|Ag=0.80V,Hg^(2+)|Hg=0.79V Mg^(2+)|Mg=-2.37V,Cr^(3+|Cr=-0.74VThe metal having highest reducing power is

Answer»

K
Ag
Cr
Mg

Answer :A


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