CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

If sodium chloride is heated in vapours of sodium, the colour changes because of


  1. excess of sodium ions.

  2. excess of chloride ions.

  3. excess of salt.

  4. electron trapped in anionic sites.


Solution

The correct option is D

electron trapped in anionic sites.


Trapped electron in anionic site creates a F-center. The electronst absorbs energy from the visible light falling on the crystals. So the colour changes.

flag
 Suggest corrections
thumbs-up
 
0 Upvotes


Similar questions
QuestionImage
QuestionImage
View More...



footer-image