Home
Class 12
CHEMISTRY
E1,E2 and E3 are the emfs of the followi...

`E_1,E_2` and `E_3` are the emfs of the following three galvanic cells respectively.
`Zn(s)|Zn^(2+)(0.1M)||Cu^(2+)(1M)|Cu(s)`
`Zn(s)|Zn^(2+)(1M)||Cu^(2+)(1M)|Cu(s)`
`Zn(s)|Zn^(2+)(1M)||Cu^(2+)(0.1M)|Cu(s)` Which one of the following is true?

A

`E_2>E_1>E_3`

B

`E1>E_2>E_3`

C

`E_3>E_1>E_2`

D

`E_3>E_1>E_2`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|529 Videos

  • d-AND f- BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|1089 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|303 Videos

Similar Questions

Explore conceptually related problems

Write each half cell reaction of the following electrochemical cell: Al(s)|Al^(3+)(1M)||Zn^(2+)(1M)|Zn(s)

Write the Nernst equation and emf of the following cells at 298 K: Mg(s)|Mg^(2+)(0.001M) || Cu^(2+)(0.0001 M)| Cu(s)

For the electro chemical cell Pt(s)|underset(1 atm)(H_(2))(g)|H^(+)(1M)||Cu^(2+)(1M)|Cu(s) , which one of the following statements are true ?

Write each half cell reaction of the following electrochemical cell: Cu(s)|Cu^(2+)(1M)||Ag^(+)(1M)|Ag(s)

Calculate the e.m.f. of the following cell at 298 K. Mg_((s))|Mg^(2+)(0.001M)||Cu^(2+)(0.0001M)|Cu_((s)) Given E^(@)(Cu^(2+)|Cu)=0.34V and E^(@)(Mg^(+)|Mg)=-2.37V .

Write Nernst equation and calculate emf for the following cell: Zn|Zn^(2+)(0*01M)||Ag^(+)(0*01M)|Ag .

Calculate the emf of the following cell at 25^(@)C : Ag+(0.001M|Ag(S)||Cu(s) |Cu^(2+)(10^(-1)M), E0Cell =0.46V

Write Nernst equation and calculate e.m.f. of the cell at 298 k. Mg(s)|Mg^(2+)(0.001 M)||Cu^(2+)(0.0001M)|Cu(s)

What is the emf of the following conc. Cell : Zn//ZnSO_4 (0.05 M) // ZnSO_4 (0.5 M) // Zn

MODERN PUBLICATION-ELECTROCHEMISTRY-EXERCISE
  1. When same quantity of electricity is passed for half an hour, the amou...

    Text Solution

    |

  2. The electrode potentials of a hydrogen, electrode at pH=10 is

    Text Solution

    |

  3. E1,E2 and E3 are the emfs of the following three galvanic cells respec...

    Text Solution

    |

  4. The standard redox potentials for the reacitons Mn^(2+)+2barerarrMn an...

    Text Solution

    |

  5. A current is passed through two cells connected in series. The first c...

    Text Solution

    |

  6. A weak electrolyte having the limiting equivalent conductance of 400 S...

    Text Solution

    |

  7. Which of the following cannot be expressed as N m^(-2) ?

    Text Solution

    |

  8. The approximate time duration in hours to electropole 30 g of calcium ...

    Text Solution

    |

  9. 1 M solution each of Cu(NO3)2, AgNO3, Hg(NO3)2 and Mg(NO3)2 is electro...

    Text Solution

    |

  10. For the following data at 25^@C Cr^(3+)(aq)+1barerarrCr^(2+)(aq),E^@=-...

    Text Solution

    |

  11. Equilvalent conductivity at infinite dilution for sodium potassium oxa...

    Text Solution

    |

  12. A conductivity cell has been calcibrated with a 0.01 M 1:1 eletrolyte ...

    Text Solution

    |

  13. A current strength of 9.65 amperes is passed through excess fused AlCl...

    Text Solution

    |

  14. When the total cell emf of the voltaic cell is greater than zero, whic...

    Text Solution

    |

  15. The quantity of electricity needed to separately electrolysis 1 M solu...

    Text Solution

    |

  16. At 25∘C, the molar conductance of 0.007M hydrofluoric acid is 150 mho ...

    Text Solution

    |

  17. The change in potential of the half cell Cu^(2+)|Cu, when aqueous Cu^(...

    Text Solution

    |

  18. The values of limiting ionic conductance of H+ and HCOO-  ions are res...

    Text Solution

    |

  19. Conductivity of a saturated solution sparingly solution salt AB at 298...

    Text Solution

    |

  20. Consider the reaction: Cr2O7^2- + 14H^+ + 6e^- rarr 2Cr^(3+) + 7H2O Wh...

    Text Solution

    |