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The flame colours of metal ions are du...

The flame colours of metal ions are due to

A

Metal excess defect

B

Schottky defect

C

Metal deficiency defect

D

Frenkel defect

Text Solution

Verified by Experts

The correct Answer is:
A
In metal excess defect when holes created created by missing of atomic are occupied by electrons, the sites are called f-center and are respectively for colour in the crystal.
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A2Z-SOLID STATE-Defects In Solids And Semiconductors
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  2. In AgBr crystal , the ion size lies in the order Ag^(+) lt lt Br^(-) T...

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  3. Frenkel defect is caused due to

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  4. How many energy levels are prent in 3s conduction hand of a single cry...

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  5. Which defect cause decrease in the density of crystal?

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  6. To get n-type doped semiconductor, impurity to be added to silicon sho...

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  7. The flame colours of metal ions are due to

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  8. Schottky defect in crystal is when

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  9. When electron are trapped into the crystal in anion cancy ,the defect ...

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  10. In which of the following oxides conducting or insulting property of ...

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  11. The correct statement in the following is

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  12. The pyknometric density of NaCl crystal is 2.165 xx 10^(3 kg m^(-3) wh...

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  13. For silicon , given Wavelength of light that excite an electron fro...

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  14. What type of crystal defect is indicated in the diagram given below ...

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  15. In the laboratory , sodium choride is made by burning the sodium in th...

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  16. If NaCI is droped with 10^(-3) mole of SrCI(2) then number of cationic...

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  17. The following is not a function an impurity present in a crystal

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  18. The corrent statement regarding F-centre is

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

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  20. NaCI shown Schottky defect and AgCI frenkel defect .Their elelctrical ...

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