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Ionic solids, which have anionic vacanci...

Ionic solids, which have anionic vacancies due to metal excess defect, develop colour. Explain.

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CHHAYA PUBLICATION-SOLID STATE-SOLVED NCERT TEXTBOOK PROBLEMS
  1. What type of defect can arise when a solid is heated? Which physical p...

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  2. What type of stoichiometric defect is shown by : (i) ZnS (ii) AgBr

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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 example of amorphous solids.

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

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  8. Classify each of the following solids as ionic, metallic, molecular, n...

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  9. (i) What is meant by the term 'coordination number'? (ii) What is th...

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  10. How can you determine the atomic mass of an unknown metal having cubic...

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

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  12. How will you distinguish between the following pairs of terms? (i) H...

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  13. How many lattice points are there in one call of each of the following...

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  14. Explain- (i) The basis of similarities and differences between metalli...

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  15. Calculate the efficiency of packing in case of a metal crystal for (i)...

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  16. Silver crystallises in fcc lattice. If edge length of the cell is 4.07...

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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 radius of the octahedral void is r, radius of the atom in close pac...

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  20. Copper crystallises into a fcc lattice with edge length 3.61xx10^(-8)c...

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