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Home  >>  AIMS  >>  Class12  >>  Chemistry  >>  Solid State
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An excess of potassium ions makes KCl crystals appear violet or lilac in colour since

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(A) some of the anionic sites are occupied by an unpaired electron,F‚ąícentres are created which impart colour to the crystals.
Hence (A) is the correct answer.
answered Jun 3, 2014 by sreemathi.v

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