For the reduction of NO−3 ion in an aqueous solution Eo is 0.96 V. V – InterviewSolution

1.	For the reduction of NO−3 ion in an aqueous solution Eo is 0.96 V. Values of Eo for some metal ions are given below:V2+(aq)+2e−→V;Eo=−1.19 VFe3+(aq)+3e−→Fe;Eo=−0.04 VAu3+(aq)+3e−→Au;Eo=1.40 VHg2+(aq)+2e−→Hg;Eo=+0.86 VThe pair(s) of metals that is/are oxidised by NO−3 in aqueous solution is (are):
Answer» For the reduction of $N O_{3}^{-}$ ion in an aqueous solution $E^{o}$ is $0.96 V$ . Values of $E^{o}$ for some metal ions are given below: $V^{2 +} (a q) + 2 e^{-} \to V; E^{o} = - 1.19 V F e^{3 +} (a q) + 3 e^{-} \to F e; E^{o} = - 0.04 V A u^{3 +} (a q) + 3 e^{-} \to A u; E^{o} = 1.40 V H g^{2 +} (a q) + 2 e^{-} \to H g; E^{o} = + 0.86 V$ The pair(s) of metals that is/are oxidised by $N O_{3}^{-}$ in aqueous solution is (are):

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