Home
Class 12
CHEMISTRY
Why are Eu^(2+) and Yb^(2+) highly stabl...

Why are `Eu^(2+)` and `Yb^(2+)` highly stable ?

Text Solution

Verified by Experts

`Eu^(2+)(4f^(7))` and `Yb^(2+)(4f^(14))` have highly stable electronic configuration
Promotional Banner

Topper's Solved these Questions

  • D - AND F - BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise EXERCISE (FILL IN THE BLANKS)|28 Videos

  • D - AND F - BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise EXERCISE (SHORT ANSWER-TYPE QUESTIONS)|22 Videos

  • D - AND F - BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise MCQ (More Than One Correct Type)|7 Videos

  • COORDINATION COMPOUNDS OR COMPLEX COMPOUNDS

    CHHAYA PUBLICATION|Exercise PRACTICE SET 21|2 Videos

  • ELECTROCHEMISTRY

    CHHAYA PUBLICATION|Exercise PRACTICE SET 4(Answer the following questions)|14 Videos

Similar Questions

Explore conceptually related problems

Out of CS_(2) and Cse_(2) which one less stable ? Why ?

Among Fe^(2+) and Fe^(3+) , which is more stable ? Why ?

Why BeF_2 is highly soluble in water.

Why are Mn^(2+) compounds more stable than Fe^(2+) towards oxidation to their + 3 state ?

(i) State Hund's rule. (ii) Between two ions Fe^(2+) and Fe^(3+) , which one is more stable and why?

Out of Cu_(2)Cl_(2) and CuCl_(2) , which is more stable and why ?

Sm^(2+), Eu^(2+) and Yb^(2+) act as good reducing agents in aqueous solution but Ce^(4+) is a good oxidising agent. Why ?

Mg(OH)_(2) is sparingly soluble in water but highly soluble in aqueous NH_(4)Cl solution-explain.

CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -EXERCISE (VERY SHORT ANSWER-TYPE QUESTIONS)
  1. Why is the value of E(Cu^(2+)|Cu)^(0)(+0.34V) positive ?

    Text Solution

    |

  2. Standard reduction potential (E^(0)) of Mn^(3+)|Mn^(2+) system is high...

    Text Solution

    |

  3. Why does Mn^(2+) exhibit the highest paramagnetism among the bivalent ...

    Text Solution

    |

  4. What do you obtain if MnO(2) is fused with solid KOH in air ?

    Text Solution

    |

  5. What is the higher oxidation state exhibited by actinoids ?

    Text Solution

    |

  6. Why are Eu^(2+) and Yb^(2+) highly stable ?

    Text Solution

    |

  7. How many unpaired electrons are there in Gd(Z = 64) atom ?

    Text Solution

    |

  8. What is the structure of manganate ion ?

    Text Solution

    |

  9. What is the common oxidation state of the lanthanoids ?

    Text Solution

    |

  10. Why do transition metals have high atomisation energy ?

    Text Solution

    |

  11. Why do transition elements exhibit variable oxidation states ?

    Text Solution

    |

  12. In volumetric analysis, why is K(2)Cr(2)O(7) used to prepare the stand...

    Text Solution

    |

  13. Why is KMnO(4) stored in dark coloured bottles ?

    Text Solution

    |

  14. Why does explosion occur if conc. H(2)SO(4) is added to KMnO(4) ?

    Text Solution

    |

  15. Why is Fe^(2+) ion smaller than Mn^(2+) ion ?

    Text Solution

    |

  16. Why do transition elements form coloured compounds ?

    Text Solution

    |

  17. Complete the reaction : TiCl(4)+H(2)O to

    Text Solution

    |

  18. Why does zinc have the lowest atomisation energy (126 kJ.mol^(-1)) amo...

    Text Solution

    |

  19. Which among the following exhibit the highest number of oxidation stat...

    Text Solution

    |

  20. Write the reaction between silver bromide and hypo in the development ...

    Text Solution

    |