Licl acquires pink colour when heated in li vapours .why??
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When a crystal of LiCl is heated in an atmosphere of Li vapour, the Li atoms lose electron to form Li ions. The released electrons diffuse into the crystal and occupy anionic sites ( F-centres ) . These electrons impart pink colour to the LiCl crystal.
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Answer:
When a crystal of LiCl is heated in an atmosphere of Li vapour, the Li atoms lose electron to form Li ions. The released electrons diffuse into the crystal and occupy anionic sites ( F-centres ) . These electrons impart pink colour to the LiCl crystal.
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