1.

For the reduction of NO_(3)^(-) ion in an aqueous solution, E^(@) is +0.96V. Values of E^(@) for some metal ions are given below V_((aq))^(2+)2e^(-)toV""E^(0)=-1.19V Fe_((aq))^(3+)+3e^(-)toFe""E^(@)=-0.04V Ag_((aq))^(3+)+3e^(-)toAu""E^(0)=+1.40V Hg_((aq))^(2+)+2e^(-)toHg""E^(o)=+0.86V The pair(s) of metals that is (areO oxidized by NO_(3)^(-) in aqueous solution is(are)

Answer»

V and HG
Hg and FE
Fe and Su
Fe and V

Solution :The species having less reduction potential with respect to `NO_(3)^(-)(E^(o)=0.96V)` will be OXIDIZED by `NO_(3)^(-)`
These species are V, FE, Hg.


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