Home
Class 12
CHEMISTRY
In lanthanides, last electrons enters in...

In lanthanides, last electrons enters into (n - 2) r subshell. What is the value of n ?

A

4

B

6

C

7

D

8

Text Solution

Verified by Experts

The correct Answer is:
B

Lanthanide `to [Xe] 4f^(1-14) 5d^(0//1)6s^2 therefore` n=6, n-2= 4
Promotional Banner

Topper's Solved these Questions

  • D AND F BLOCK ELEMENTS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|60 Videos
  • CO-ORDINATION COMPOUNDS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|40 Videos
  • ELECTROCHEMISTRY

    MARVEL PUBLICATION|Exercise Test your Grasp|50 Videos

Similar Questions

Explore conceptually related problems

If the differentiating electron enters (n-1) d-sublevel. The element is

" The elements in which the differentiating electron enters into anti penultimate shell or "(n-2)" subshell are called "

The elements in which the differentiating electron enters into anti penultimate shell or "(n-2)f" subshell are called "

A : in third energy level there is no -f- subshell . R : For n=3 the possible values of l are 0,1,2 and for f- subshell l = 3. .

MARVEL PUBLICATION-D AND F BLOCK ELEMENTS -TEST YOUR GRASP
  1. In lanthanides, last electrons enters into (n - 2) r subshell. What is...

    Text Solution

    |

  2. The number of transition series in the periodic table are

    Text Solution

    |

  3. What is the general electronic configuration of transition elements

    Text Solution

    |

  4. Each transition series contains only 10 elements because

    Text Solution

    |

  5. Which one of the following refers to configuration of transition elem...

    Text Solution

    |

  6. The outer electronic configuration of chromium is

    Text Solution

    |

  7. Which of the following does NOT show different oxidation states?

    Text Solution

    |

  8. Calculate the oxidation number of Mn in KMnO(4) molecule.

    Text Solution

    |

  9. The properties of transition metals are in between the properties of ...

    Text Solution

    |

  10. Which transition metal shows the highest oxidation state ?

    Text Solution

    |

  11. Which of the following would be diamagnetic?

    Text Solution

    |

  12. The element present immediately below Zn in the periodic table in the ...

    Text Solution

    |

  13. Oxidation state of +1 is possible with

    Text Solution

    |

  14. For Sc (2 1), if both 3d and 4s electrons in involved in bonding, the ...

    Text Solution

    |

  15. Which one of the following forms a colourless solution in aqueous medi...

    Text Solution

    |

  16. Which of the following group belongs to transition series ?

    Text Solution

    |

  17. In transition elements, the differentiating electron enters into subs...

    Text Solution

    |

  18. Which of has the highest number of unpaired electrons?

    Text Solution

    |

  19. The range of wavelength of the visible light is

    Text Solution

    |

  20. Which of the following salt give coloured aqueous solution ?

    Text Solution

    |

  21. Sulphide ore of Zinc is

    Text Solution

    |