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The standard reduction potential of E(Bi...

The standard reduction potential of `E_(Bi^(3+)//Bi)^(@)` and `E_(Cu^(2+)//Cu)^(@)` are `0.226 V` and `0.344 V` respectively. A mixture of salts of `Bi` and `Cu` unit concentration each is electrolysed at `25^(@)C`. To what value can `[Cu^(2+)]` be brought down before bismuth starts to deposit during electrolysis ?

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The correct Answer is:
`10^(-4) M;`
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The Standard reduction potential values, E^(@)(Bi^(3+)//Bi) and E^(@)(Cu^(2+)//Cu) are 0.226 V and 0.344 V respectively. A mxiture of salt of bismut and copper at unit concentration each is electrolysed at 25^(@)C to what value can [Cu^(2+)] be brought down before bismuth starts to deposit, in electrolysis.

The standard reduction potential of Cu^(2+)//Cu and Cu^(2+)//Cu^(+) are 0.339 V and 0.153 V respectively. The standard electrode potential of Cu^(+)//Cu half cell is :

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The standard reduction potential of Cu^(2+)//Cu and Cu^(2+)//Cu^(+) are 0.337 and 0.153 respectively. The standard electrode potential of Cu^(+)//Cu half - cell is

The standard reduction potentials of Cu^(2+)|Cu and Cu^(2+)|Cu^(o+) are 0.337V and 0.153V , respectively. The standard electrode potential fo Cu^(o+)|Cu half cell is

P BAHADUR-ELECTROCHEMISTRY-Exercise (9) ADVANCED NUMERICAL PROBLEMS
  1. If it is disreed to construct the following voltaic cell to have E(cel...

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  2. The e.m.f. of the obtained by combining Zn and Cu electrodes of Danie...

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  3. Calcualte the potential of an indicator electrode versus the standard ...

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  4. An electrode is prepared by dipping a silver strip into a solution sat...

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  5. Calculate the minimum weight of NaOH required to be added in R.H.S. t...

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  6. Consider the cell Ag|AgBr((s)), Br^(-)||AgCl((s)), Cl^(-)|Ag at 25^(@)...

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  7. Calculate the half cell potential of a reaction Ag(2)S + 2e rarr 2Ag +...

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  8. The standard electrode potential are for the following reactions : F...

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  9. The pK(SP) of Agl is 16.07. If the E^(@) value for Ag^(+)//Ag is 0.79...

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  10. The e.m.f. of cell Zn|ZnSO(4)||CuSO(4)|Cu at 25^(@)C lis 0.03 V and th...

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  11. For the cell Mg((s))|Mg((aq.))^(2+)||Ag((aq.))^(+)|Ag((s)), calculate ...

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  12. The standard reduction potential of E(Bi^(3+)//Bi)^(@) and E(Cu^(2+)//...

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  13. Show that the potentials are additive for the process in which half re...

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  14. An alloy weighing 1.05g of Pb-Ag was dissolved in desired amount of HN...

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  15. The following galvanic cell was Zn|{:(Zn(NO(3))(2(aq.))),(100 mL"," ...

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  16. When silver chloride is dissolved in a large excess of ammonia, practi...

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  17. Estimate the cell potential of a Daniel cell having 1.0 M Zn^(2+) and ...

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  18. Calculate the e.m.f. of cell {:(Pt(H(2))),(1atm):}|{:(CH(3)COOH),(0....

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  19. Calculate the degree of hydrolysis and hydrolysis constant of M//32 so...

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  20. Design the cell having one of the half reaction CuS + 2e rarr Cu + S^(...

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