Copper reduced `NO_(3)^(-)` into NO and `NO_(2)` depending upon cone. Of `HNO_(3)` in solution. Assuming `[Cu^(2+)]=0.1M` and `P_(NO)=P_(NO_(2)=10^(-3)` atm and using given data answer the following question:
`E_(Cu^(2+)|Cu)^(@)=+0.34` volt
`E_(NO_(3)^(-)|NO)^(@)=+0.96` volt
`E_(NO_(#)^(-)|NO_(3))^(@)=+0.79` volt
at 298K `(RT)/(F)(2.303)=0.06` volt
At what `HNO_(3)` concentration thermodynamic tendency for reduction of `NO_(3)^(-)` into NO and `NO_(3)` by copper is same?

Answer

1