Home
Class 12
CHEMISTRY
The values in respect of electrodes of ...

The values in respect of electrodes of Cr, Mn and iron are :
`Cr^(+3) // Cr^(+2) = -0.4 V`
`Mn^(+3) //Mn^(+3) =+ 1.5 V`
`Fe^(+3) //Fe^(+2) = + 0.8 V`
Compare the feasibilties of further oxidation of these ions.

Text Solution

AI Generated Solution

To compare the feasibilities of further oxidation of the ions Cr^(+3), Mn^(+3), and Fe^(+3), we will analyze the given standard electrode potentials and the electronic configurations of these ions. ### Step 1: Analyze the Standard Electrode Potentials - The electrode potentials given are: - Cr^(+3) // Cr^(+2) = -0.4 V - Mn^(+3) // Mn^(+2) = +1.5 V - Fe^(+3) // Fe^(+2) = +0.8 V ...
Promotional Banner

Topper's Solved these Questions

  • The d- AND f-BLOCK ELEMENTS

    CBSE COMPLEMENTARY MATERIAL|Exercise LONG ANSWER TYPE QUESTION|5 Videos

  • The d- AND f-BLOCK ELEMENTS

    CBSE COMPLEMENTARY MATERIAL|Exercise Short answer type question|22 Videos

  • SURFACE CHEMISTRY

    CBSE COMPLEMENTARY MATERIAL|Exercise LONG ANSWER TYPE QUESTIONS (5 MARKS)|4 Videos

Similar Questions

Explore conceptually related problems

The E^(@) value in respect of the electrodes (Z=24) , manganese (Z=25) and iron (Z=26) are : Cr^(3+)//Cr^(2+)=-0.4V,Mn^(3+)//Mn^(2+)=+1.5V , " " Fe^(3+)//Fe^(2)=+0.8V . On the basic of the above information compare the feasibilities of further oxidation of their +2 oxidation states.

For Mn^(3+)//Mn^(2+) system, the E^(0) values for some metals are as follows: Cr^(3+)//Cr^(2+)(-0.4V) , Mn^(3+)//Mn^(2+) (+1.5V) , Fe^(3+)//Fe^(2+)(+0.8V) . Then the relative stabilities of Fe^(3+), Cr^(3+) and Mn^(3+) is :

For M^(2+)//M and M^(3+)//M^(2+) system, the E^(@) value of some metals are given : Cr^(2+)//Cr=0.9V,Cr^(3+)//Cr^(2+)=-0.4V Mn^(2+)//Mn=1.2V,Mn^(3+)//Mn^(2+)= +1.5 V Fe^(2+)//Fe=0.4 V, Fe^(3+)//Fe^(2+)= +0.8 V Use this data to comment upon : (a) The stability of Fe^(3+) in acid solution as compared to that of Cr^(3+) or Mn^(3+) (b) The ease with which iron can be oxidised as compared to the similar process for either chromium or manganese metal.

Find out work done for the given cell Cr| Cr^(+3)|| Fe^(+2)| Fe E_(Cr//Cr^(2+))^(@) = 0.74V, E_(Fe^(2+)//Fe)^(@) = -0.44V

The EMF of the cell, Cr|Cr^(+3) (0.1M) ||Fe^(+2) (0.01M)|Fe (Given: E^(0) Cr^(+3)|Cr =- 0.75 V, E^(0) Fe^(+2)|Fe =- 0.45 V)

CBSE COMPLEMENTARY MATERIAL-The d- AND f-BLOCK ELEMENTS-SHORT ANSWER-II TYPE QUESTION
  1. Write any four differences between lanthanoids and actinoids. Lanth...

    Text Solution

    |

  2. give reason for the following statement (a)separation of lanthanoid el...

    Text Solution

    |

  3. (b) Transition metal exhibit higher enthalpies of atomization. Explain...

    Text Solution

    |

  4. (c) Why do the transition metal have high enthalpy of hydration ?

    Text Solution

    |

  5. (a) By using Hund’s rule derive the electronic configuration of Ce^(+3...

    Text Solution

    |

  6. (b) Is lanthanum a f-block element ?

    Text Solution

    |

  7. Account for the following : (a) Silver chloride dissolves in excess ...

    Text Solution

    |

  8. Account for the following : (b) Cuprous chloride is diamagnetic whil...

    Text Solution

    |

  9. Account for the following : In CrO(4)^(2-) ion , all the Cr-O bond...

    Text Solution

    |

  10. The values in respect of electrodes of Cr, Mn and iron are : Cr^(+3...

    Text Solution

    |

  11. Write any three properties of interstitial compounds.

    Text Solution

    |

  12. Account for the following : (a) All Scandium salts are white.

    Text Solution

    |

  13. Account for the following : (b) The Ist ionization energy of the 5d ...

    Text Solution

    |

  14. Account for the following : (c) Ce^(+3) can be easily oxidized to Ce...

    Text Solution

    |

  15. A green chromium compound (A) on fusion with alkali gives a yellow

    Text Solution

    |

  16. A green chromium compound (B) which on acidification gives a orange c...

    Text Solution

    |

  17. A green chromium compound (C). Identify A, B, C. Write equations for ...

    Text Solution

    |

  18. When an oxide of Mn (A) is fused with KOH in the presence of an oxi...

    Text Solution

    |

  19. When an oxide of Mn (B). Compound (B) disproportionate in neutral or...

    Text Solution

    |

  20. When an oxide of Mn (C). Identify A, B, C.

    Text Solution

    |