Pink colour of LiCl crystals is due to: (a) Schottky defect (b)Frenkel defect (c) Metal excess defect (d) Metal deficiency defect

Q. Pink colour of LiCl crystals is due to:
(a) Schottky defect
(b)Frenkel defect
(c) Metal excess defect
(d) Metal deficiency defect

Answer: (c) Metal excess defect

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