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प्रश्न
Cations are present in the interstitial sites in ______.
पर्याय
Frenkel defect
Schottky defect
Vacancy defect
Metal deficiency defect
उत्तर
Cations are present in the interstitial sites in frenkel defect.
Explanation:
| Defect | Definition | Type of solid |
Effect of defect on density of substance |
Structure of crystal (with defect) |
| Frenkel Defect or dis- location defect |
A crystal is said to have Frenkel defect if cation is missing from the normal lattice position and is occupying interstitial site. |
Ionic solid |
Remain same |
 Frenkel defect |
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संबंधित प्रश्न
Examine the given defective crystal:
Answer the following questions :
(i) What type of stoichiometric defect is shown by the crystal?
(ii) How is the density of the crystal affected by this defect?
(iii) What type of ionic substances show such defect?
Out of NaCl and AgCl, which one shows Frenkel defect and why?
Defect shown by non-ionic solids is ____________.
Frenkel defects are not found in alkali metal halides because ____________.
Assertion: No compound has both Schottky and Frenkel defects.
Reason: Both defects change the density of the solid.
Which of the following point defects are shown by AgBr(s) crystals?
- Schottky defect
- Frenkel defect
- Metal excess defect
- Metal deficiency defect
Which of the following statements are not true?
(i) Vacancy defect results in a decrease in the density of the substance.
(ii) Interstitial defects results in an increase in the density of the substance.
(iii) Impurity defect has no effect on the density of the substance.
(iv) Frankel defect results in an increase in the density of the substance.
Why is FeO (s) not formed in stoichiometric composition?
If NaCl is doped with 10–4 mole percent of SrCl2 the concentration of cation vacancies will be
Which type of 'defect' has the presence of cations in the interstitial sites?
