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Which point defect is observed in a crys...

Which point defect is observed in a crystal when a vacancy is created by an atom or ion missing from its normal position ?

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Schottky defect
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DINESH PUBLICATION-SOLID STATE-ASSIGNMENT
  1. In what way, do Schottky and Frenkel defects differ from each other ?

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  2. Why does white zinc oxide on heating become yellow ?

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  3. Which point defect is observed in a crystal when a vacancy is created ...

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  4. What are non-stoichiometric compounds ?

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  5. Does Frenkel defect in AgCl crystal change its density ?

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  6. What are impurity defects ? Explain.

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  7. What do yor understand by doping ?

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  8. What are metal excess defects in crystals ? How are these caused ?

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  9. What will happen when a small amount of phosphorus is addded to pure c...

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  10. What is the effect of Frenkel defect on the electrical conductivity of...

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  11. Why does KCl turn violet on heating in the potassium vapours ?

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

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  13. What do you understand by imperfections in ionic crystals ? Name the t...

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  14. How will you show that non-stoichiometic solium chloride is yellow ?

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  15. What are non-stoichiometry defects in crystals ? Explain.

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  16. Explain Scottky defect.

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  17. What is the effect of Schottky defect on the density of crystal ?

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  18. Write notes on : (i) Frenkel defects (ii) Schottky defect.

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  19. Explain on brief Schottky defect.

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  20. What is the point defect due to the presence of foreign atom ? ltbRgt ...

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