Given below are two statements.

Question:

Given below are two statements.

Statement I: Frenkel defects are vacancy as well as interstitial defects.

Statement II: Frenkel defect leads to colour in ionic solids due to presence of F-centres.

Choose the most appropriate answer for the statements from the options given below:

  1. Statement I is false but Statement II is true

  2. Both Statement I and Statement II are true

  3. Statement I is true but Statement II is false

  4. Both Statement I and Statement II are false


Correct Option: , 3

Solution:

Theory based.

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