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Ananya Shree

Class 12th
Chemistry
2 years ago

Why does table salt, NaCl, sometimes appear yellow?

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Muskan Anand

2 years ago

Yellow colour in NaCI 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.

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