Home
Class 12
CHEMISTRY
The e.m.f of the following Daniell cell ...

The e.m.f of the following Daniell cell at 298K is `E_1`.
`Zn|ZnSO_4(0.01M)||CuSO_4(1.0)|Cu`
When concentration of `ZnSO_4` is 1.0 M and that of `CuSO_4` is 0.01M, if e.m.f changed to `E_2`. What is the relationship between `E_1` and `E_2`?

A

`E_1gtE_2`

B

`E_1ltE_2`

C

`E_1=E_2`

D

`E_2=0 ne E_1`

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

What is the relationship between e.m.f. and magnetic flux?

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

Calculate the e.m.f. of the following cell at 298 K, Mg|Mg^(2+)(0.130M)||Ag^(+)(1.0xx10^(-4)M)|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

For the following cell, Zn(s) | ZnSO4(aq) || CuSO4(aq) | Cu(s) when the concentration of Zn2+ is 10 times the concentration of Cu2+, the expression for ΔG (in J mol–1) is [F is Faraday constant; R is gas constant; T is temperature; E° (cell) = 1.1V]

Define virtual e.m.f. and find the relation between virtual e.m.f. and maximum e.m.f. n a.c.

What concentration of HCOO^(-) is present in a solution of weak of 0.01 M HCOOH (K_(a)=1.8xx10^(-4) and 0.01 M HCl?

Calculate the e.m.f. of the following cell at 298 K, M g ∣ ∣ M g 2 + ( 0.130 M ) ∣ ∣ ∣ ∣ A g + ( 1.0 × 10 − 4 M ) ∣ ∣ A g

MODERN PUBLICATION-ELECTROCHEMISTRY-EXERCISE
  1. The standard reduction potentials for two reactions are given below: A...

    Text Solution

    |

  2. An electric current is passed through silver voltameter connected to a...

    Text Solution

    |

  3. The e.m.f of the following Daniell cell at 298K is E1. Zn|ZnSO4(0.01M)...

    Text Solution

    |

  4. Same amount of electric current is passed thorugh solution of AgNO3 an...

    Text Solution

    |

  5. Calculate the EMF of the cell, containing nickel and copper electrodes...

    Text Solution

    |

  6. Given E(Fe^(3+)|Fe)^@=-0.36V, E(Fe^(2+)|Fe)^@=-0.439V. The value of st...

    Text Solution

    |

  7. A^@m for NaCl, HC1 and NaAc are 126.4, 425.9 and 91.0 S cm^2 mol-1 res...

    Text Solution

    |

  8. If sin^(6)theta+cos^(6) theta-1= lambda sin^(2) theta cos^(2) theta, ...

    Text Solution

    |

  9. For spontaneity of a cell, which is correct?

    Text Solution

    |

  10. The limiting molra conductivities of HCl, CH3COONa and NaCl are respec...

    Text Solution

    |

  11. 4.5 g of aluminium is deposited at cathode from Al^(3+) solution by ce...

    Text Solution

    |

  12. Given E(Fe^(3+)|Fe)^@=-0.36V, E(Fe^(2+)|Fe)^@=-0.439V. The value of st...

    Text Solution

    |

  13. The efficiency of a fuel cell is given by:

    Text Solution

    |

  14. What is the value of L for a solenoid?

    Text Solution

    |

  15. On the basis of valence bond theory explain the structure and magnetic...

    Text Solution

    |

  16. State and explain Kohlrausch's law. How would you determine the molar ...

    Text Solution

    |

  17. Al2O3 is reduced by elecrrolysis at low potentals and high current. If...

    Text Solution

    |

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

    Text Solution

    |

  19. For the reduction of silver ions with copper metal the standard cell p...

    Text Solution

    |

  20. Why does the conductivity of a solution decrease with dilution?

    Text Solution

    |