Which of the folloiwng statement for cyrstals having Schottly defect is not correct?
A. Schottky defect arises due to the absence of a cation and anion from the position which it is expected to occupy
B. schooty defect ar emore commmon in ionic compound with high co-ordination number
C. The dinsity of the crystals having schottky defect is larger than that of the perfect crystal
D. The crystal having schottly defect is electrically neutral as a whole.