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A student made the following observation...

A student made the following observations in the laboratory,
A) Clean copper metal did not react with 1 molar `Pb(NO_3)_2` solution
B) Clean lead metal dissolved in a 1 molar `AgNO_3` solution and crystals of Ag metal appeared
C) Clean silver metal did not react with 1 molar `Cu(NO_3)_2` solution.
The order of decreasing reducing character of the three metals is :

A

Cu, Pb, Ag

B

Cu, Ag, Pb

C

Pb, Cu, Ag

D

Pb, Ag, Cu

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-ELECTROCHEMISTRY -LEVEL-I ( EXERCISE-I)
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  2. The half cell reaction, with its standard reduction potentials are ...

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  3. A student made the following observations in the laboratory, A) Cl...

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  4. Four colourless salt solutions are placed in separate test tubes and a...

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  5. (A): In the construction of Galvanic cell, lithium electrode can not b...

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  6. The potential of single electrode depends upon

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  7. The Nernst equation giving dependence of electrode potential on concen...

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  8. Consider the following four electrode : A = Cu^(2+) (0.0001 M)// Cu(...

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  9. The Nernst equation for the reduction potential of a non metal A when ...

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  10. Which of the following is not correct ?

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  11. The e.m.f of the following Deniell at 298 K is E1 , Zn//ZnSO4 (0.01 M...

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  12. Zn(s) + Cl2 (1 atm ) to Zn^(2+) + 2Cl^(-) , the E^(0) of the cell is ...

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  13. For the cell Zn// Zn^(2+) // // Cu^(2+) // Cu , if the concentration o...

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  14. In a cell that utilises the reaction Zn((s)) + 2H((aq))^(+) to Zn((aq)...

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  15. For a cell reaction , Cu^(2+) (C1 , aq) + Zn(s) to Zn^(2+) (C2 , aq) +...

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  16. The relationship between standard reduction potential of a cell and eq...

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  17. For a spontaneous reaction the DeltaG , equilibrium constant (K) and E...

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  18. For the reaction Pt// H2 (1 atm) // H^(+) (aq) // // Cl^(-) (aq) // Ag...

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  19. The relationship between free energy and electrode potential is

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  20. When an electric cell is charged, then

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