NEET | 2017Solid StateEasy
Question
Which is the incorrect statement ?
Options
A.
Density decreases in case of crystals with Schottky's defect
B.
NaCl(s) is insulator, silicon is semiconductor, silver is conductor, quartz is piezo electric crystal
C.
Frenkel defect is favoured in those ionic compounds in which sizes of cation and anions are almost equal
D.
FeO0.98 has non stoichiometric metal deficiency defect
Solution
In frenkel defect the radius of cation must be very less than anion.
Incorrect statement is (3)
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