Solid State - Result Question 12

####12. Which type of ‘defect’ has the presence of cations in the interstitial sites?

(2018 Main)

(a) Schottky defect

(b) Vacancy defect

(c) Frenkel defect

(d) Metal deficiency defect

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Answer:

Correct Answer: 12. (c)

Solution:

  1. It is the “Frenkel defect” in which cations leave their original site and occupy interstitial site as shown below.



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