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Question: Answered & Verified by Expert
Inspite of long range order in the arrangement of particles why are the crystals usually not perfect?
ChemistrySolid StateNEET
Options:
  • A Because crystals lack a fixed structure.
  • B Because in the process of crystallisation some deviations from the ideal arrangement (i.e. defects) may be introduced, therefore, crystals are usually not perfect.
  • C Because the particles within crystals are disordered.
  • D Because crystals are inherently amorphous in nature.
Solution:
2755 Upvotes Verified Answer
The correct answer is: Because in the process of crystallisation some deviations from the ideal arrangement (i.e. defects) may be introduced, therefore, crystals are usually not perfect.
Correct Option is : (B)
Because in the process of crystallisation some deviations from the ideal arrangement (i.e. defects) may be introduced, therefore, crystals are usually not perfect.

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