NEET 2015
- Exam
- NEET
- Year
- 2015
- Subject
- Chemistry
- Chapter
- Solid State
NEET 2015 · Chemistry · Solid State
The correct statement regarding defects in crystalline solids is :
The correct statement regarding defects in crystalline solids is :
Options
- ASchottky defects have no effect on the density of crystalline solids
- BFrenkel defects decrease the density of crystalline solids
- CFrenkel defect is a dislocation defect
- DFrenkel defect is found in halides of alkaline metals
Correct answer
C. Frenkel defect is a dislocation defect
Step-by-step solution
The Frenkel defect is a dislocation defect. When atoms or ions at the lattice point are displaced to an interstitial site creating a vacancy. The cation moves to another position between the two layers and is surrounded by a greater number of anions.