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Which of the statements regarding defects in crystal is not correct?

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Impurity defects in silicon by doping arsenic causes electronic defects

LiCl crystals appear yellow because of metal excess defects.

Formation of wurtzite is because of metal deficient defect

$AgBr$ crystal can show both dislocation defect and Schottky defect.

answer is B.

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Detailed Solution

When these electrons collect energy from the visible light that falls on the crystals, they are excited, which gives the crystals their color. Similar to how excesses of lithium and potassium turn $LiCl$ crystals pink.

They give the $NaCl$ crystals a yellow tint.

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