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For the reduction of NO(3)^(-) ion in an...

For the reduction of `NO_(3)^(-)` ion in an aqueous solution, is +0.96V. Values of for some metal ions are given below :
`V^(2+)(aq)+ 2e^(-)rightarrowV`, `E^(@)= -1.19V`
`Fe^(3+)(aq)+ 3e^(-) rightarrow Fe` , `E^(@) = -0.04 V`
`Au^(3+)(aq) + 3e^(-) rightarrow Au` , `E^(@) = +1.40V`
`Hg^(2+) (aq)+ 2e^(-) rightarrowHg` , `E^(@) = + 0.86 V`
The pair(s) of metals that is(are) oxidised by `NO_(3)^(-)` in aqueous solution is(are) :

A

V and Hg

B

Hg and Fe

C

Fe and Au

D

Fe and V

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To determine which metal ions can be oxidized by the `NO3^(-)` ion in an aqueous solution, we need to compare the standard reduction potentials (E°) of the given metal ions with the reduction potential of the `NO3^(-)` ion. ### Step-by-Step Solution: 1. **Identify the Standard Reduction Potential for `NO3^(-)`**: The reduction potential for the reduction of `NO3^(-)` to `NO2` is given as +0.96 V. 2. **List the Standard Reduction Potentials of the Given Metal Ions**: ...
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