silicon is semiconductor
Which is the incorrect statement? (a) Density decreases in case of crystals with Schottky defect. (b) NaCl(s) is insulator, silicon is semiconductor, silver is conductor. quartz is piezoelectric 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
09
Feb
Which is the incorrect statement? (a) Density decreases in case of crystals with Schottky defect. (b) NaCl(s) is insulator, silicon is semiconductor, silver is conductor. quartz is piezoelectric 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 [...]
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Assertion : The presence of a large number of Schottky defects in NaCl lowers its density . Reason : In NaCl ,
silicon is semiconductor ,
there are approximately 10^6 Schottky pairs per cm^3 at room temperature. ,
Which is the incorrect statement? (a) Density decreases in case of crystals with Schottky defect. (b) NaCl(s) is insulator ,