NEETChemistrySolid State
Why does table salt, NaCl, some times appear yellow in colour?
Options
- ABecause it naturally has a yellow tint.
- BBecause it absorbs blue light and reflects yellow light.
- CBecause it is highly reactive with air, causing oxidation and a yellow hue.
- DYellow colour in sodium chloride is due to metal excess defect due to which unpaired electrons occupy anionic
Correct answer
D. Yellow colour in sodium chloride is due to metal excess defect due to which unpaired electrons occupy anionic
Step-by-step solution
Correct Option is : (D) Yellow colour in sodium chloride is due to metal excess defect due to which unpaired electrons occupy anionic sites. These sites are called F-centres.