Home
Class 12
CHEMISTRY
The appearance of colour in solid alkali...

The appearance of colour in solid alkali metal halides is generally due to

A

Schottky defect

B

Frenkel defect

C

Interstitial position

D

F-centres

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    MODERN PUBLICATION|Exercise REVISION EXERCISES (OBJECTIVE QUESTIONS) (MATCHING TYPE QUESTIONS)|6 Videos

  • SOLID STATE

    MODERN PUBLICATION|Exercise REVISION EXERCISES (OBJECTIVE QUESTIONS) (PASSAGE BASED QUESTIONS)|10 Videos

  • SOLID STATE

    MODERN PUBLICATION|Exercise QUICK MEMORY TEST (C. CHOOSE THE CORRECT ALTERNATIVE)|12 Videos

  • POLYMERS

    MODERN PUBLICATION|Exercise Competition file (OBJECTIVE TYPE QUESTIONS) (C. MULTIPLE CHOICE QUESTIONS)(Integer Type Questions)|6 Videos

  • SOLUTIONS

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|14 Videos

Similar Questions

Explore conceptually related problems

The appearance of colour in solide state of alkali metal halides is generally due to :

Alkali metals are generally extracted by

Alkali metals are generally prepared by

How alkali metal halides can be prepared?

The alkali metal halides are ionic or covalent?

MODERN PUBLICATION-SOLID STATE-REVISION EXERCISES (OBJECTIVE QUESTIONS) (MULTIPLE CHOICE QUESTIONS)
  1. If the alignment of magnetic moments in a subtance is in a compensator...

    Text Solution

    |

  2. Fe(3)O(4) is ferrimagnetic at room temperature but at 850K it becomes:...

    Text Solution

    |

  3. The appearance of colour in solid alkali metal halides is generally du...

    Text Solution

    |

  4. An example of a ferromagnetic oxide is

    Text Solution

    |

  5. Close packing is maximum in the crystal lattice of :

    Text Solution

    |

  6. In a solid lattice the cation has left a lattice sirte and is located ...

    Text Solution

    |

  7. The coordination number of a metal crystallizing in a hexagonal close-...

    Text Solution

    |

  8. In a body centred unit cell, the number of atoms present is

    Text Solution

    |

  9. In a trigonal crystal

    Text Solution

    |

  10. The appearance of colour in solid alkali metal halides is generally du...

    Text Solution

    |

  11. In a body centred cubic structure, the space occupied is about

    Text Solution

    |

  12. Some polar crystals when heated produce small electrical current. The ...

    Text Solution

    |

  13. The empty space within hcp arrangment is

    Text Solution

    |

  14. The crystal system in which a ne b ne c and the angles alpha ne beta n...

    Text Solution

    |

  15. The number of Cl^(-) ions present around each Na^(+) ion in NaCl cryst...

    Text Solution

    |

  16. To get a n- type semiconductor from silicon , it should be doped...

    Text Solution

    |

  17. The fraction of volume occupied by atoms in a face centered cubic unit...

    Text Solution

    |

  18. The percentage of empty space in a body centred cubic arrangement is :

    Text Solution

    |

  19. To get p-type semiconductor , impurity to be added to silicon should h...

    Text Solution

    |

  20. A ferromagnetic substance becomes a permanent magnet when it is placed...

    Text Solution

    |