The flame colours of metal ions are due to
a. Frenkel defect
b. Schottky defect
c. Metal deficiency defect
d. Metal excess defect
Ans. d
Explanation : In metal excess defect when holes created by missing of anions are occupied by electrons, there sites are called F- centres and are responsible for color in the crystal
(91)
You May Also Like
-
May 27, 2025
“तत्त्वों के गुणधर्म उनके परमाणु क्रमांक के आवर्त फलन होते हैं।”(The properties of elements are a periodic function of their...
-
Feb 10, 2025
Click Here for Hindi medium NEET Course (239)
-
Feb 4, 2025
Best Career Counsellors in Chandigarh – Transform Your Future with Flame Institute In today’s competitive world, choosing the right career...
-
Sep 17, 2024
Best Chemistry Teacher in Chandigarh and mohali Flame Institute provides top-notch chemistry coaching with expert faculty, offering comprehensive guidance for...