wiz-icon
MyQuestionIcon
MyQuestionIcon
2
You visited us 2 times! Enjoying our articles? Unlock Full Access!
Question

Why does table salt, NaCl sometimes appear yellow in colour?

Open in App
Solution

Yellow colour in NaCl is due to metal excess defect due to which unpaired electrons occupy anionic sites. known as F-centres. These electrons absorb energy from the visible region for the excitation which makes crystal appear yellow.


flag
Suggest Corrections
thumbs-up
14
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Metal Excess Defect
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon