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प्रश्न
Frenkel defect is also known as:
(i) stoichiometric defect
(ii) dislocation defect
(iii) impurity defect
(iv) non-stoichiometric defect
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उत्तर
(i) stoichiometric defect
(ii) dislocation defect
Explanation:
In Frenkel defect, dislocation of cations takes place and there is no change in stoichiometry of the crystal.
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संबंधित प्रश्न
Give reasons : In stoichiometric defects, NaCl exhibits Schottky defect and not Frenkel defect.
non-stoichiometric defects?
Answer the following question.
What type of stoichiometric defect is shown by ZnS and why?
Defect shown by non-ionic solids is ____________.
Dislocation defect is also known as ____________.
Frenkel defects are not found in alkali metal halides because ____________.
The radius of Cs+ is 169 pm and Cl− is 181 pm. The radius ratio is ____________.
Type of stoichiometric defect shown by ZnS is ____________.
Type of stoichiometric defect shown by AgBr is ____________.
The following diagram shows:
Which of the following crystals does not exhibit Frenkel defect?
Schottky defect is observed in crystals when ______.
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 defects decrease the density?
(i) Interstitial defect
(ii) Vacancy defect
(iii) Frankel defect
(iv) Schottky defect
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
Schottky defect is noticed in ______
Given below are two statements:
Statements I: Frenkel defects are vacancy as well as interstitial defects.
Statements II: Frenkel defect leads of colour in ionic solids due to the presence of F-centers.
Choose the most appropriate answer for the statements from the options given below:
