Question

what is impurity defect ? what are its types? explain the formation of vacancies though aliovalent impurity with example​

Answer 1

Answer:

Impure defect arises when forein atoms

Answer 2

Answer:

Vacancies are created by the addition of impurities of aliovalent ions (that is, ions with oxidation state different from that of host ions) to an ionic solid. e.g. Consider a small amount of SrCl2 impurity added to NaCl during its crystallization. The added Sr2+ ions (O.S.

Explanation:

this is right answer