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प्रश्न
Give the classification of stoichiometric point defects.
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उत्तर
The chemical formula of a compound shows fixed ratio of a number of atoms or the number of cations and anions. This fixed ratio is the stoichiometry of the compound.
In stoichiometric defect, the stoichiometry remains unchanged. In other words, the ratio of a number of atoms or number of cations and anions of compound remains the same as represented by its chemical formula.
There are four types of stoichiometric point defects:
- vacancy defect
- self interstitial defect
- Schottky defect and
- Frenkel defect
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संबंधित प्रश्न
What are the consequences of the Schottky defect in crystals?
Explain with diagram, the vacancy defect.
What is a substitutional impurity defect?
Which of the following is an example of substitutional impurity defect?
When a cation or anion from ionic solid leaves its regular lattice site and moves to occupy an interstitial site, it is called as ____________.
Which among the following solids shows Frenkel defect?
Which among the following statements is true about Schottky defect?
Which of the following pair of ionic crystals show Schottky defect?
Schottky defect in crystals is observed when ____________.
Schottky defect is formed in ionic compounds with ____________.
Write the consequences of Schottky defect with reasons.
Explain metal deficiency defect with examples.
AgBr shows which type of defect?
Name a compound where Frenkel defect is found.
In which among the following solids, Schottky defect is not observed?
Explain the following term:
Substitutional impurity defect
Explain the following term:
Interstitial impurity defect
Explain the interstitial defect.
Give the disadvantages of a vacancy defect.
Identify the type of defect from following in stainless steel.
