Home
Class 11
CHEMISTRY
F-centers are...

F-centers are

A

the electrons trapped in anionic vacancies

B

the electrons trapeed in cation vacancies

C

non-equivalent sites of stoichiometric compound

D

all of the above

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    RESONANCE|Exercise Part-III : Match the column|3 Videos

  • SOLID STATE

    RESONANCE|Exercise Exercise -2 (Part-I)|19 Videos

  • SOLID STATE

    RESONANCE|Exercise Exercise -1|24 Videos

  • S BLOCK ELEMENTS

    RESONANCE|Exercise INORGANIC CHEMISTRY(s-Block Elements)|36 Videos

  • STRUCTURAL IDENTIFICATION & PRACTICAL ORGANIC CHEMISTRY

    RESONANCE|Exercise Section -B|18 Videos

Similar Questions

Explore conceptually related problems

Assertion : Solids having more F-centre possess intense colour Reason: Excess of Na^(+) in NaCI solid having F-centers makes it appear pink

Respiration center is present in

In an SN_(1) reation on chiral centers there is .

What are nonstoichiometric point defects? Explain with a diagram the formation of F-centers

Child-centered pedagogy promotes

Equation of circle - center radius form

no. of chiral centers in

An object AB is placed parallel and close to the optical axis between focus F and center of curvature C of a converging mirror of focale length f as shown in Figure. Then,

RESONANCE-SOLID STATE-Part-II : Only one option correct type
  1. Which one of the following schemes of ordering closed packed sheets of...

    Text Solution

    |

  2. If the anions (A) form hexagonal closest packing and cations (C) occup...

    Text Solution

    |

  3. You are given 4 identical balls. What is the maximum number of square ...

    Text Solution

    |

  4. The empty space between the shaded balls and hallow balls as shown in ...

    Text Solution

    |

  5. If the close-packed cations in an AB-type solid gave a radius of 75 pm...

    Text Solution

    |

  6. In a hypothetical solid C atoms form C C P lattice with A atoms occupy...

    Text Solution

    |

  7. Following three planes (P(1),P(2),P(3)) in an FCC unit cell are shown ...

    Text Solution

    |

  8. In an FCC unit cell a cube is formed by joining the centers of all the...

    Text Solution

    |

  9. The radius of Ag^(+) ion is 126 pm and that of I^(-)ion is 216 pm. The...

    Text Solution

    |

  10. The tetrahedral voids formed by ccp arrangement of Cl^(-) ions in rock...

    Text Solution

    |

  11. Antifluorite structure is derived from fluorite structure by:

    Text Solution

    |

  12. In zinc blends structure the coordination number of Zn^(2+) ion is

    Text Solution

    |

  13. Strontium chloride has a flurite structure, which of the statement is ...

    Text Solution

    |

  14. The spinel structure (AB(2)O(4) consists of an fcc array of O^(2-) ion...

    Text Solution

    |

  15. In the crystal lattice of diamond carbon atoms adopt

    Text Solution

    |

  16. Cesium chloried on heating to 760 K changes in

    Text Solution

    |

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

    Text Solution

    |

  18. Which of the following statements are correct in context of point defe...

    Text Solution

    |

  19. F-centers are

    Text Solution

    |

  20. which of the following is true about the change the charge acq...

    Text Solution

    |