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Which of the following lattices has the ...

Which of the following lattices has the highest packing efficiency?
(i) Simple cubic
(ii) Body-centred cubic
(iii) Hexagonal close-packed lattice

A

Wurtz reaction

B

Wurtz-Fittig reaction

C

Sandmeyer reaction

D

Friedel-Craft reaction

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USHA PUBLICATION-SOLID STATE-EXERCISE
  1. Which type of crystalline solids are good conductor of electricity ?

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  2. In a simple cubic crystal packing efficiency is .

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  3. Which of the following lattices has the highest packing efficiency? ...

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  4. Which stoichiometric defect decreases the density of the crystal?

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  5. If there are 'N' tetrahedral voids, then number of octahedral voids is...

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  6. Octahedral void is created by lattice points.

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  7. Number of atoms in FCC crystal is .

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  8. Which type of crystal defect increases the density of a solid ?

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  9. How do metallic solid and ionic solid differ in conducting property ?

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  10. Why does Frenkel defect not change the density of AgCl crystal?

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  11. What is F-centres ?

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  12. Name the type of structure possessed by unit cell of CsCl.

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  13. What type of stoichiometric defect is shown by ZnS?

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  14. What type of stoichiometric defect is shown by AgBr?

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  15. How many Chloride ions are there around sodium ion in sodium chloride ...

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  16. How will you distinguish between tetrahedral void and octahedral void ...

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  17. What is co-ordination number ?

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  18. Write the equation by which you can find atomic mass of a metal from i...

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  19. An ionic compound has a unit cell consisting of A ions at the corners ...

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  20. What is a semiconductor? What aren-type and p-type semiconductors?

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