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Pink colour of LiCl crystals is due to: (a) Schottky defect (b)Frenkel defect (c) Metal excess defect (d) Metal deficiency defect |
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Answer» Correct answer is (c) Metal excess defect- It creates F-center in the crystal lattice which is due to a type of crystallographic defect in which an anionic vacancy in a crystal lattice is occupied by one or more unpaired electrons and that is responsible for the color. Answer is (c) Metal excess defect (formation of F centres) |
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