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What are point defects ? Describe Schott...

What are point defects ? Describe Schottky defects in crystals.

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DINESH PUBLICATION-SOLID STATE-ASSIGNMENT
  1. In a body centred and face centred arrangement of atoms of an element ...

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  2. What is an ideal crystal ? Name the types of the defects which arise i...

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  3. What are point defects ? Describe Schottky defects in crystals.

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  4. Explain Schottky defect in Stoichiometric crystals. What are the conse...

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  5. Why does Schottky defect decrease the desity of a crystal ?

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  6. In what way, do Schottky and Frenkel defects differ from each other ?

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

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

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  9. What are non-stoichiometric compounds ?

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

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  11. What are impurity defects ? Explain.

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  12. What do yor understand by doping ?

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

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

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

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

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

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

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

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

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