Chemistry · Solid State
An excess of potassium ions makes KCl crystals appear violet or lilac in color because ________.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1potassium ions migrate to the surface and release alpha particles
- 2there are vacancies at cationic sites which absorb visible light
- 3some of the anionic sites are occupied by a pair of electrons
- 4some of the anionic sites are occupied by unpaired electrons forming F-centers✓
Correct answer
some of the anionic sites are occupied by unpaired electrons forming F-centers
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