1.

`Cu^(2+)(aq)+etoCu^(+)(aq)` तथा `Cu^(+)(aq)+etoCu(s)` के लिए इलेक्ट्रोड विभव क्रमशः`+0.15V` तथा `+0.50V` है `E_(Cu^(2+)//Cu)^(@)` का मान हैA. 0.500 VB. 0.325 VC. 0.650 VD. 0.150 V

Answer» `Cu^(2+)+etoCu^(+)," "E^(@)=+0.15V`
`:.DeltaG_(1)^(@)=-nFE^(@)=-1xxFxx0.15=-0.15F`
`Cu^(+)+etoCu," "E=+0.50V`
`:.DeltaG_(2)^(@)=-1xxFxx0.50=-0.50F`
अब `Cu^(2+)+2etoCu,E^(@)=?`
`:.DeltaG_(3)^(@)=-2FE^(@)`
`becauseDelta_(3)^(@)=DeltaG_(1)^(@)-DeltaG_(2)^(@)`
`-2FE^(@)=-0.15F-(0.50)F=-0.65F`
`E^(@)=(0.65)/(2)=0.325V`


Discussion

No Comment Found

Related InterviewSolutions