Published by:
CGP EDU Academic Team
Published on: August 14, 2026
In the laboratory, sodium chloride is made by burning the sodium in the atmosphere of chlorine which is yellow in colour. The cause of yellow colour is
A
Presence of 
ions in the crystal lattice
ions in the crystal lattice
B
Presence of 
ions in the crystal lattice
ions in the crystal lattice
C
Presence of electron in the crystal lattice
D
Presence of face centered cubic crystal lattice
Text Solution
Verified by ExpertsThe correct answer is:
C
Yellow colour on heating 
in presence of 
is due to presence of electrons in anion vacancies ( F -centres).
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Certain crystals produce electric signals on application of pressure. This phenomenon is called
Which defect causes decrease in the density of crystal
The correct statement regarding centre is
Doping of silicon ( Si ) with boron ( B ) leads to
If is doped with then the concentration of cation vacancies will be
Frenkel defect is caused due to