question_answer

Which of the following statement(s) for crystal having schottky defect is incorrect.

A)  Schottky defect arises due to absence of cations & anion from positions which they are expected to occupy.

B)  The density of crystal having schottky defect is smaller than that of perfect crystal.

C)  Schottky defect are more common in co valent compound with higher co-ordination number.

D)  The crystal having schottky defect is electrically neutral as a whole.