NEET 2017 Chemistry Crystal Defects MCQ Question
Which is the INCORRECT statement?
Density decreases in case of crystals with Schottky's defect.
NaCl(s) is insulator, silicon is semiconductor, silver is conductor, quartz is piezoelectric crystal.
Frenkel defect is favoured in those ionic compounds in which sizes of cation and anions are almost equal.
FeO₀.₉₆ has nonstoichiometric metal deficiency defect.
Correct Answer
Detailed Explanation
Frenkel defect occurs in ionic compounds where there is a significant size difference between cations and anions, not when they are almost equal.
Found an issue with this question?
Related Questions
More from Solid State
More from 2017
The proper combination of 3 NOT gate and 1 NAND gate is shown. If $A = 0, B = 1, C = 1$ then the output of the combination is,
**Assertion:** For looping a vertical loop of radius $r$, the minimum velocity at the lowest point should be $\sqrt{5gr}$. **Reason:** In this even t...