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What are non-stoichiometric compounds ?...

What are non-stoichiometric compounds ?

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If the actual ratio of the cations and anions is not same as represented by the ideal chemical formula of the compound, it is called a non-stoichiometric compound.
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What type of non-stoichiometric point defect is responsible for the pink colour of LiCl ?

PRADEEP-STATES OF MATTER: SOLID MATTER-ADDITIONAL QUESTIONS (VERY SHORT ANSWER )
  1. Explain the term 'Dislocations ' in relation to crystals

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

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  3. What are non-stoichiometric compounds ?

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  4. In Frenkel defect

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

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  6. Why does Frenkel defect not change the density of AgCl crystals ?

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  7. Mention one property which is caused due to the presence of F-centre i...

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

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

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  10. When NaCl crystal is doped with MgCl(2),the nature of defect produced ...

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  11. Why is potassium chloride sometimes violet instead of pure white ?

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  12. What is the difference between 13-15 and 12-16 compounds ?

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  13. f-centre is

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  14. Name the non-stoichiometric point defect responsible for the colour of...

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  15. Name the type of defect that occurs in the crystals of zinc sulphide.

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  16. Which point defect in crystals does not alter the density of the relev...

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  17. Which point defect in crystals of a solid decreases the density of the...

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  18. Which stoichiometric defect in crystals increses the density a solid?

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  19. intrinsic and extrinsic semiconductor

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  20. What type of semi-conductors is produced when silicon is doped with ar...

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