Select the incorrect statement `:`A. Stoichiometry of crystal remains uneffected due to Schottky defect.B. Frenkel defect usually shown by ionic compounds havin low coordination number.C. `F-` centres generation is responsible factor for imparting the colour to the crystalD. Density of crystal always increases due to substitutional impurity defect.

Select the incorrect statement `:`A. Stoichiometry of crystal remains

1.	Select the incorrect statement `:`A. Stoichiometry of crystal remains uneffected due to Schottky defect.B. Frenkel defect usually shown by ionic compounds havin low coordination number.C. `F-` centres generation is responsible factor for imparting the colour to the crystalD. Density of crystal always increases due to substitutional impurity defect.
Answer» Correct Answer - 4 Density of crystal always increases due to substitutional impurity defect.

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