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Ionic solids which have anionic vacancie...

Ionic solids which have anionic vacancies due to metal excess defect develop colour. Explain with the help of a suitable example.

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V PUBLICATION-THE SOLID STATE-QUESTION BANK
  1. What type of stoichiometric defect is shown by ZnS, AgBr

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  2. Explain how vacancies are introduced in an ionic solid when a cation ...

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  3. Ionic solids which have anionic vacancies due to metal excess defect ...

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  4. A group 14 element is to be converted into n-type semiconductor by dop...

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  5. What type of substances would make better permanent magnets: ferromagn...

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  6. Define the term amorphous? Give a few examples of amorphous solids.

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  7. What makes glass different from a solid such as quartz? Under what Con...

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  8. Classify the following solids as ionic, metallic, molecular, network (...

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  9. What is the coordination number of atoms: i) in a cubic close-packed ...

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  10. How can you determine the atomic mass of an unknown metal if you know...

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  11. Stability of a crystal is reflected in the magnitude of its melting p...

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  12. How will you distinguish between the following pairs of terms i) Hexag...

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  13. How many lattice points are here in one unit cell of each of the foll...

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  14. Explain ii) Ionic solids are hard and brittle.

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  15. Packing efficiency is the percentage of total space filled by the part...

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  16. Silver crystalises in fcc lattice. If edge length of the cell is '4.0...

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  17. A cubic solid is made of two elements P and Q. Atoms of Q are at the c...

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  18. Niobium crystallises in body-centred cubic structure. If density is 8...

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  19. If the radius of the octahedral void is 'r' and radius of the atoms in...

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  20. Copper crystallises into a fcc lattice with edge length '3.61 x10^-8 c...

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