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What is the effect of Frenkel defect on ...

What is the effect of Frenkel defect on the density of ionic solids ?

A

Increases

B

Decreases

C

Does not change

D

Changes

Text Solution

Verified by Experts

The correct Answer is:
C
Due to Frenkel defects, density does not change.
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Statement : Due to Frenkel defect the density of the crystalline solid remains same. Explanation : In Frenkel defect, no cations or anions leave the lattice.

Consider the figure of a defective crystal : (a) Name the defect shown by this diagram. (b) What is the effect of this defect on the solid ? (c) Name as ionic compound which can show this type of defect.

CENGAGE CHEMISTRY ENGLISH-SOLID STATE-Exercises (Single Correct)
  1. The following diagram shows the arrangement of lattice points with a =...

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  2. The number of atoms in 100 g of an fcc crystal with density = 10.0g cm...

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  3. What is the effect of Frenkel defect on the density of ionic solids ?

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  4. In a tetragonal crystal

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  5. Which of the following is not a ferroelectric compound?

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  6. The material used in solar cells contains

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  7. If the lattice parameter of Si = 5.43 Å and the mass of Si atom is 28....

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  8. The lacttice parameter of GaAs (radius of Ga = 1.22 Å, As = 1.25 Å) is

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  9. In cubic ZnS (II-VI) compounds, if the radii of Zn and S atoms are 0.7...

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  10. Na and Mg crystallize in bcc- and fcc-type crystals, the ratio of numb...

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  11. In a close packed structure of mixed oxides , the lattice is composed ...

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  12. An ionic solid A^(o+)B^(Θ) crystallizes as an bcc structure. The dist...

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  13. An ionic solid A^(o+)B^(Θ) crystallizes as an fcc structure. If the e...

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  14. The gamma-form of iron has fcc structure (edge length 386 pm) and beta...

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  15. The density of an ionic compounds (Mw = 58.5) is 2.165 kg m^(-3) and ...

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  16. The edge length of unit cell of a metal (Mw = 24) having cubic structu...

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  17. The ratio of packing fraction in fcc, bcc, and cubic structure is, res...

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  18. If R is the radius of the octahedral voids and r is the radius of the...

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  19. How many unit cells are present in a cubic shaped ideal crystal of NaC...

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  20. What type of crystal defect is shown in the figure given below ? {:(...

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