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CaCl2 will introduce Schottky defect whe...

`CaCl_2` will introduce Schottky defect when added to AgCl crystal. Explain.

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Ionic lattic has two major points defects ,(1) Schottky (2) Frenkel defects . Schottkly defects occurs due to the cations - anion pair's missing from the lattice sites . Frenkel defects occurs when smaller ion leaves from its lattic site and fits into an intersitial space.which defect decrease density of the crystal ?

Ionic lattic has two major points defects ,(1) Schottky (2) Frenkel defects . Schottkly defects occurs due to the cations - anion pair's missing from the lattice sites . Frenkel defects occurs levels its lattic site and fits into an intersitial space. The neturaity of the crystal is benig maintained and we considerd all losses from interstitical positions. Structure shown here represents :

MODERN PUBLICATION-SOLID STATE-EXERCISE
  1. How does the resistivity of a conductor and a semiconductor vary with...

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  2. Name the non-stoichimetric point defect responsible for colour in alka...

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  3. CaCl2 will introduce Schottky defect when added to AgCl crystal. Expla...

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  4. Why does ZnO appear golden yellow at high temperature? Explain.

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  5. The electrical conductivity of metal decreases with rise in temperatur...

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  6. What is the effect of Frenkel stuctural defect on the electrical condu...

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  7. Why is Frenkel defect not found in pure alkali metal halides ?

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  8. Write main differences between the properties of white phosphorus and ...

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  9. Why does LiCl acquire pink colour when heated in Li vapours?

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  10. True or false Tetragonal and orthorhomic crystal systems have same axi...

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  11. True or false In a fcc unit cell, the distance along one of the faces...

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  12. True or false In a face centred cubic systems, number of atoms at face...

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  13. True or false Copper crystallises in a fcc lattice. If radius of coppe...

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  14. True or false The percentage of vacant space in bcc unit cell and simp...

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  15. Number of atoms per unit cell in fcc and bcc unit cells are 4 and 2 re...

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  16. True or false For bcc metallic unit cell, the edge length (a) and radi...

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  17. State weather it is True or False The formula for finding the surface...

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  18. True or false The two ions A^+ and B^- have radii 90 and 200 pm respec...

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  19. What are the coordination number of Na^+ and Cl^- ions in NaCl?

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  20. Which point defect lowers the density of crystal ?

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