JIPMER 2006
- Exam
- JIPMER
- Year
- 2006
- Subject
- Chemistry
- Chapter
- Solid State
JIPMER 2006 · Chemistry · Solid State
When electrons are trapped into the crystal in anion vacancy, the...
When electrons are trapped into the crystal in anion vacancy, the defect is known as :
Options
- ASchottky defect
- BFrenkel defect
- Cstoichiometric defect
- DF-centres
Correct answer
D. F-centres
Step-by-step solution
F-centres are the sites where anions are missing and instead electrons are present. They are responsible for colour.