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The correct statement regarding F-centre...

The correct statement regarding F-centre is:

A

Electron are held in the voids of crystals

B

F-centre produces colour to the crystals

C

Conductivity of the crystal increases due to F-centre

D

All of the above

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The correct Answer is:
D
All the given statements are correct about F-centres
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Knowledge Check

  • The corrent statement regarding F-centre is

    A
    Electron are held in the viods of crystals
    B
    F-centre produces colour to the crystal
    C
    Conductivity of the crystal increases due to F- centre
    D
    All

  • The correct statement regarding entropy is:

    A
    At absolute zero temperature, entropy of a perfectly crystalline solid is zero
    B
    At absolute zero temperature, the entropy of a perfectly crystalline substance is +ve
    C
    At absolute zero temperature, the entropy of all crystalline substances is zero
    D
    At `0^(@)C` the entropy of a perfectly crystalline solid is zero.

  • The correct statement regarding entropy is

    A
    at absolute zero temperature, entropy of a perfectly crystalline solid is zero
    B
    at absolute zero temperature, the entropy of a perfectly crystalline substance is + ve
    C
    at absolute zero temperature, the entropy of all crystalline substance is zero
    D
    at `0^(@)C` the entropy of a perfect crystalline solid is zero.
    • ERRORLESS-SOLID STATE-NCERT BASED QUESTIONS (DEFECTS IN CRYSTAL)
    1. The correct statement regarding F-centre is:

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    2. Due to Frenkel defect, the density of the ionic solids

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    3. Frenkel and Schottky defects are:

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

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    5. When electrons are trapped into the crystalline anion vacancy the def...

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    6. Which of the following defects, if present, lowers the density of the ...

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    7. When anion leaves the normal lattice site and electron occupies inters...

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

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    9. Which of the following defects is also known as a dislocation defect?

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

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    11. With Which one of the following elements silicon should be doped so as...

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    12. Schottky defect occurs mainly in electrovalent compounds where

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    13. Zine oxide is white but it turns yellow on heating . Explain.

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    14. Frenkel defect generally appears in

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    15. The following is not a function of an impurity present in a crystal:

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    16. Point defects are present in .

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    17. If a non-metal is added to the interstitial sites of a metal, then the...

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    18. In AgBr crystal , the ion size lies in the order Ag^(+) lt lt Br^(-) T...

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    19. Which one of the following is the most correct statement?

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    20. The flame colours of metal ions are due to

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