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What do you understand by imperfections ...

What do you understand by imperfections in ionic crystals ? Name the types of imperfections which occur in ionic crystals.

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DINESH PUBLICATION-SOLID STATE-ASSIGNMENT
  1. Why does KCl turn violet on heating in the potassium vapours ?

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

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

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

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

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  6. Explain Scottky defect.

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

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

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  9. Explain on brief Schottky defect.

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

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  11. ELECTRONIC AND LINE IMPERFECTIONS

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  12. Explain Frenkel defect in ionic crystals. What type of compounds exhib...

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  13. Why is phosphours doped silicon a semi-conductor?

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  14. Explain the conductivity of n-type semi-conductors.

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  15. Schottky defect lowers the density of ionic crystals while Frenkel def...

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  16. Write the difference between Frenkel and Schottky defects.

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  17. Explain the following : (i) How does density of crystals change due ...

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  18. Explan how Schottky defect occurs.

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  19. Explain Frenkel defects in crystals.

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  20. Write the difference between Frenkel and Schottky defects.

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