In a crystal, if a fault exists in the arrangement at a point, it is called as _________(a) space defect(b) single defect(c) point defect(d) primary defectThe question was posed to me at a job interview.My question is from Imperfections in Solids topic in portion Solid State of Chemistry – Class 12

In a crystal, if a fault exists in the arrangement at a point, it is c

1.	In a crystal, if a fault exists in the arrangement at a point, it is called as _________(a) space defect(b) single defect(c) point defect(d) primary defectThe question was posed to me at a job interview.My question is from Imperfections in Solids topic in portion Solid State of Chemistry – Class 12
Answer» Right answer is (c) POINT defect Explanation: When there is a fault in the arrangement of a CONSTITUENT particle such as an atom, ion or MOLECULE, and the fault exists at a point in the lattice structure, it is CALLED as a point defect.

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