[" 27.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^(2+)(aq)+2e^(-)rarr V;quad E^(@)=-1.19V],[quad Fe^(3+)(aq)+3e^(-)rarr Fe;quad E^(@)=-0.04V],[quad " The pair of metals that is not oxidised by "NO_(3)^(-)],[" (a) "V" and "Hg],[" (c) Feand Au "quad " (d) Fe and "V]

For the reduction of NO_(3)^(-) ion in an aqueous solution E^(@) is +0.96V . Value of E^(@) for some metal ions are given below V^(2+)(aq)+2e^(-)rarrV E^(@)=-1.19V Fe^(3+)(aq)+3e^(-)rarrFe E^(@)=-0.04V Au^(3+)(aq)+3e^(-)rarrAu E^(@)=+1.40V Hg^(2+)(aq)+2e^(-)rarrHg E^(@)=+0.86V The pair(s) of metal that is/are oxidised by NO_(3)^(-) in aqueous solution is(arE):

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^(2+)(aq)+2e^(-)hArrV,E^(@)=-1.19V t t Fe^(3+)(aq)+3e^(-)rarrFe: E^(@)=-0.04V Au^(3+)(aq)+3e^(-)rarrAu, E^(@)=+1.40V Hg^(2+)(aq)+3e^(-)rarrHg, E^(@)=+0.86V The pari(s) of metals that is/are oxidised by NO_(3)^(-) in aqueous solution is (are)

For the reduction of NO_(3)^(-) in an aqueous solution, E^(@) is 0.96V. Values of E^(@) for some metal ions are given below V_((aq))^(2+) + 2e^(-) rarr V E^(@) = -1.19V Fe_((aq))^(3+) + 3e^(-) rarr Fe E^(@)= -0.04V Au_((aq))^(3+) + 3e^(-) rarr Au E^(@)= +1.40V Hg_((aq))^(2+) + 2e^(-) rarr Hg E^(@)= +0.86V The pair(s) of metal that is (are) oxidised by NO_(3)^(-) in aqueous solution is (are)

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) :

For the reduction of NO_(3)^(c-) ion in an aqueous solution, E^(c-) is +0.96V , the values of E^(c-) for some metal ions are given below : i.V^(2+)(aq)+2e^(-)rarr V, " "E^(c-)=-1.19V ii. Fe^(3+)(aq)+3e^(-) rarr Fe, " "E^(c-)=-0.04V iii. Au^(3+)(aq)+3e^(-) rarr Au, " "E^(c-)=+1.40V iv. Hg^(2+)(aq)+2e^(-) rarr Hg, " "E^(c-)=+0.86V The pair (s) of metals that is // are oxidized by NO_(3)^(c-) in aqueous solution is // are

For the reduction of NO_(3)^(c-) ion in an aqueous solution, E^(c-) is +0.96V , the values of E^(c-) for some metal ions are given below : i.V^(2+)(aq)+2e^(-)rarr V, " "E^(c-)=-1.19V ii. Fe^(3+)(aq)+3e^(-) rarr Fe, " "E^(c-)=-0.04V iii. Au^(3+)(aq)+3e^(-) rarr Au, " "E^(c-)=+1.40V iv. Hg^(2+)(aq)+2e^(-) rarr Hg, " "E^(c-)=+0.86V The pair (s) of metals that is // are oxidized by NO_(3)^(c-) in aqueous solution is // are

For the reduction of NO_(3)^(c-) ion in an aqueous solution, E^(c-) is +0.96V , the values of E^(c-) for some metal ions are given below : i.V^(2+)(aq)+2e^(-)rarr V, " "E^(c-)=-1.19V ii. Fe^(3+)(aq)+3e^(-) rarr Fe, " "E^(c-)=-0.04V iii. Au^(3+)(aq)+3e^(-) rarr Au, " "E^(c-)=+140V iv. Hg^(2+)(aq)+2e^(-) rarr Hg, " "E^(c-)=+0.86V The pair (s) of metals that is // are oxidized by NO_(3)^(c-) in aqueous solution is // are

For the reduction of NO_(3)^(c-) ion in an aqueous solution, E^(c-) is +0.96V , the values of E^(c-) for some metal ions are given below : i.V^(2+)(aq)+2e^(-)rarr V, " "E^(c-)=-1.19V ii. Fe^(3+)(aq)+3e^(-) rarr Fe, " "E^(c-)=-0.04V iii. Au^(3+)(aq)+3e^(-) rarr Au, " "E^(c-)=+140V iv. Hg^(2+)(aq)+2e^(-) rarr Hg, " "E^(c-)=+0.86V The pair (s) of metals that is // are oxidized by NO_(3)^(c-) in aqueous solution is // are