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The standard electrode potentials of Zn,...

The standard electrode potentials of Zn, Ag and Cu are -0.76, 0.80 and 0.34 volt respectively, then:

A

`Ag^+` can oxidise Zn and Cu

B

Ag can oxidise `Zn^(2+) and Cu^(2+)`

C

Zn can reduce only `Ag^+`

D

Cu can oxidise Zn and Ag

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The correct Answer is:
A
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MOTION-ELECTROCHEMISTRY-EXERCISE -1
  1. The reaction (1)/(2)H(2)(g)+AgCl(s)hArrH^(+)(aq)+Cl^(-)(aq)+Ag(s) ...

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  2. The standard reduction potentials at 298K, for the following half cell...

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  3. The standard electrode potentials of Zn, Ag and Cu are -0.76, 0.80 and...

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  4. When an aqueous solution of CuSO(4) is sstirred with a silver spoon th...

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  5. Consider following half-cell reaction. A+e^- to A^-" "E^0...

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  6. Standard E^0 of the half cell Fe | Fe^(2+) is +0.44V and standard E^0 ...

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  7. Which of the following will increase the voltage of the cell

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  8. The standard oxidation potential E^(@) for the half cell reactions ar...

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  9. The reduction electrode potential E of 0.1 M solutoin of M^(+) "ions"...

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  10. E^(c-) of Mg^(2+)|Mg,Zn^(2+)|Zn, and Fe^(2+)|Fe are -2.37V,-0.76V, and...

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  11. For the reactions MnO4^+8H^++5e^(-) rarrMn^(2+)+4H2O,E^0=1.51V MnO2^+...

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  12. Consider the following equations for a cell reaction A+BiffC+D, E^...

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  13. Given, standard electrode potentials Fe^(2+) +2e^(-) rarr Fe, E^(@)=...

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  14. At equilibrium :

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  15. Ni|Ni^(2+)(1.0M)||Au^(3+)(1.0M)| Au (where E^(@) for Ni^(2+)//Niis -0...

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  16. Normal aluminimum electrode cupled with normal hydrogen electrode give...

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  17. The cell reaction Zn+Cu^(2+)rarrZn^(2+)+Cu, is best represented by-

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  18. Consider a voltaic cell based on these half - cell reactions Ag^(+)(...

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  19. The value of reaction quotient Q for the cell Zn(s)|Zn^(2+)(0.01M)||...

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  20. Zn acts as sacrifical or cathodic protect iont to prevent rusting of i...

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