Home
Class 12
CHEMISTRY
E^@ for the half cell reactions are as, ...

`E^@` for the half cell reactions are as,
`Zn→Zn^(2+) +2e,E^@=+0.76V`
`Fe→Fe^(2+)+2e,E^@=+0.41V`
The `E^@` for the cell reaction.
`Fe^(2+) +ZnrarrZn^(2+)+Fe`:

A

`-035V`

B

`+0.35V`

C

`+1.17V`

D

`-0.17V`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • COORDINATION COMPOUNDS

    MBD PUBLICATION|Exercise QUESTION BANK|914 Videos

  • ENVIRONMENTAL CHEMISTRY

    MBD PUBLICATION|Exercise QUESTION BANK|299 Videos

Similar Questions

Explore conceptually related problems

The standard oxidation potentials, E^@ for the half reactions are : ZnrarrZn^(2+) +2e ,E^@=+0.76V Ag rarr Ag^+ +e,E^@=-0.77V The standard emf of the cell, Ag^+ +Zn rarrZn^(2+)+Ag is :

Given electrode potentials are: Fe^(3+) +e rarrFe^(2+) ,E^@=0.771V I_2 +2e rarr 2I^- ,E^@=0.536V E^@ cell for the cell reaction, 2Fe^(3+) +2I^- rarr2Fe(2+) +I_2 is:

For the reaction at 298K, Ag^+(aq)+e^- =Ag(s),E^@=+0.80V Sn^(2+)(aq) +2e^- =Sn(s),E^@=-0.14V what is the emf of the cell reprsented as Sn|Sn^(2+)||Ag^+| Ag, if each ion having unit concentration:

The standard reduction potential at 290K for the following half reactions are, (i) Zn^(2+) +2e rarrZn(s),E^@ =-0.762 V (ii) Cr^(3+) +3e rarr Cr(s), E^@=-0.740 V (iii) 2H^+ 2e rarrH_2(g),E^@=-0.000V (iv) Fe^(3+) +e rarr Fe^2+,E^@=+0.77V Which it the strongest reducing agent :

MBD PUBLICATION-ELECTROCHEMISTRY-QUESTION BANK
  1. The number of Faraday required to gneerate 1g of Mg from MgCl2 is:

    Text Solution

    |

  2. emf of cell Ni, Ni^(2+)(1.0M) || Au^(3+)(1.0M), Au is …………If E^@ for N...

    Text Solution

    |

  3. E^@ for the half cell reactions are as, Zn→Zn^(2+) +2e,E^@=+0.76V Fe→F...

    Text Solution

    |

  4. A certaom cirrent liberates 0.504 g of hydrogen in 2 hr. How many gram...

    Text Solution

    |

  5. The standard reduction electrode potentials of your metals A,B, C and ...

    Text Solution

    |

  6. An apparatus used for the measurement of quantity of electricity is kn...

    Text Solution

    |

  7. The amount of an ion descharged during electrolyses is not dependent o...

    Text Solution

    |

  8. If an iron rod is deppedin CuSO4 solution:

    Text Solution

    |

  9. Which aqueous solution will conduct an electric current quite well :

    Text Solution

    |

  10. When a lead storage battery is discharged:

    Text Solution

    |

  11. The unit of electrochemical equivalent is :

    Text Solution

    |

  12. During the electrolysis of fusedNaCI, the reaction that occurs at the ...

    Text Solution

    |

  13. Each of the three metals X, Y and Z were put in turn into aqueous solu...

    Text Solution

    |

  14. Molten NaCl conducts electricity due to the presence of:

    Text Solution

    |

  15. Red hot carbon will remove oxygen from the oxides XO and YO but not fo...

    Text Solution

    |

  16. The standard reduction potentials at 25^@ of Li^+ [Li,Ba^(2+)[Ba,Na^+]...

    Text Solution

    |

  17. Normal aluminum coupled with normal hydrogen electrode gives an emf of...

    Text Solution

    |

  18. How many faraday are needed to reduce one mole of MnO4^- to Mn^(2+):

    Text Solution

    |

  19. Standard E^@ of the half cell Fe/Fe^(2+) is +0.44V and standard E^@ o...

    Text Solution

    |

  20. The standard reduction potentials of metal electrodes A,B,C and D are ...

    Text Solution

    |