1.

Which of the following metal cannot be oxidized by NO−3 in aqueous solution? For the reduction of NO−3 ion in an aqueous solution, E0 is +0.96 V.E0 for metal ions are given below.V2+(aq) + 2e −→V(s);E0 = −1.19 VFe3+(aq) + 3e −→Fe(s);E0 = −0.04 VAu3+(aq) + 3e −→Au(s);E0 = +1.40 VHg2+(aq) + 2e −→Hg(s);E0 = +0.86 V

Answer»

Which of the following metal cannot be oxidized by NO3 in aqueous solution?



For the reduction of NO3 ion in an aqueous solution, E0 is +0.96 V.



E0 for metal ions are given below.

V2+(aq) + 2e V(s);E0 = 1.19 V

Fe3+(aq) + 3e Fe(s);E0 = 0.04 V

Au3+(aq) + 3e Au(s);E0 = +1.40 V

Hg2+(aq) + 2e Hg(s);E0 = +0.86 V




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