Home
Class 12
CHEMISTRY
The colour of lanthoanoids and actinoids...

The colour of lanthoanoids and actinoids is due to :

A

s-f transitions

B

p-f transitions

C

d-f transtition

D

f-f transitions.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CHEMISTRY OF D-AND F-BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise Multiple Choice Questions (Level-II)|65 Videos

  • CHEMISTRY OF D-AND F-BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise Multiple Choice Questions (Level-III)|8 Videos

  • CHEMISTRY OF D-AND F-BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise Recent Examination Questions|11 Videos

  • CHEMISTRY IN EVERY DAY LIFE

    MODERN PUBLICATION|Exercise Recent Examination Questions|4 Videos

  • CHEMISTRY OF P - BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise Recent Examination Questions|20 Videos

Similar Questions

Explore conceptually related problems

Red colour of tomato is due to

[A]: The colour of flowers in Bougainvillia is due to the coloured bracts. [R]: The flowers of Bougainvillia are largest among the plant kingdom.

Compare any two properties of lanthanide and actinoids.

When a piece of copper wire is immersed in a solution of silver nitrate, the colour of solution becomes blue. This is due to the :

The colour of sky is due to

What are actinoids?

MODERN PUBLICATION-CHEMISTRY OF D-AND F-BLOCK ELEMENTS-Multiple Choice Questions (Level -I) Transition metal compounds and their Characteristics
  1. Silica is added to roasted copper ore during smelting in order to remo...

    Text Solution

    |

  2. Iron is rendered passive when treated with conc. :

    Text Solution

    |

  3. The principal oxidation state of lanthanides is :

    Text Solution

    |

  4. The lanthanoid contraction refers to :

    Text Solution

    |

  5. Which of the following is not correct ?

    Text Solution

    |

  6. Which of the following ions is paramagnetic ?

    Text Solution

    |

  7. The separation of landthanoids in ion exchange method is based on :

    Text Solution

    |

  8. which of the following has the smallest ionic radius ?

    Text Solution

    |

  9. Zr and Hf have almost identical atomic radii. Give reason.

    Text Solution

    |

  10. The colour of lanthoanoids and actinoids is due to :

    Text Solution

    |

  11. Which of the following has tendency to act as an oxidising agent ?

    Text Solution

    |

  12. Which of the following pairs has almost same colours ?

    Text Solution

    |

  13. Which of the following good oxidising agent ?

    Text Solution

    |

  14. The major component of alloys of lanthanides is

    Text Solution

    |

  15. The lanthanide contraction is responsible for the fact that

    Text Solution

    |

  16. The electronic configuration of terbium (IV) (At no. 65) is

    Text Solution

    |

  17. Which of the following ions will exhibit colour in aqueous solutions ?

    Text Solution

    |

  18. The lanthanoid elements than has the electronic configuration. [Xe] 4f...

    Text Solution

    |

  19. Which of the following hydroxide has maximum basic character ?

    Text Solution

    |

  20. Which of the following pair of ions have the same colour ?

    Text Solution

    |