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Why Frenkel defects are not found in pur...

Why Frenkel defects are not found in pure alkali metal halides?

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Because alkali metal ions have size which cannot be fitted into the interstital sites.
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why is Frenkel defects not found in pure alkali metal halides ?

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

Explain the following : (i) Why is Frenkel defect not found in pure alkali metal halides? (ii) Anti-ferromagnetic substances have unpaired electrons but their dipole moment is zero.

In Frenkel defect

Frenkel defect is not shown by:

CENGAGE CHEMISTRY-NCERT BASED EXERCISE-Short Answer Type Questions
  1. Why stoichiometric defects are also called intrinsic defects?

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  2. Give the name of one solid which shows both Schottky and Frenkel defec...

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  3. Why Frenkel defects are not found in pure alkali metal halides?

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  4. Why common salt (NaCl) sometimes appear yellow?

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  5. How do the electrical conductivity and resistivity of metallic conduct...

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  6. What is energy gap in bond theory?

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  7. What is photo voltaic cell?

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  8. What happens when ferrimagnetic Fe(3)O(4) is heated to 850 K?

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  9. What happens when ferromagnetic substance is heated to high temperatur...

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  10. Which type of defect is product when NaCl is dopped with AlCl(3)?

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  11. Which point defect lowers the density of a crystal?

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  12. At what temperature range most of the metals becomes superconductors

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  13. What is curie temperature?

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  14. Name the compound that can be added to AgCl so as to produce cation va...

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  15. Which point defect does not change the density of AgCl crystals?

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  16. What other elements may be added to silicon to make electrons availabl...

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  17. What are the types of lattice imperfection found in crystals?

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  18. What is dislocation in the crystals

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  19. Which transition metal oxide has appearance and conductivity like that...

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  20. How is electrical conductivity caused in (a) semiconductors, (b) metal...

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