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why Nacl is sometimes yellow in colour?

why Nacl is sometimes yellow in colour?

Grade:12

1 Answers

gOlU g3n|[0]uS
42 Points
11 years ago

In metal excess defect when anionic vacancy filled by electron and made F-centers, I hope u study metal excess defect.The visible light falling on NACL crsytal absorbed by the electrons and get exicted.Then crsytal shows yellow colour.Similarly,excess of lithium in LICL shows pink colur. Smile

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