Question

Metal deficiency defect can be seen in $FeO$. $Li$ compound (LiCl) has pink colour due to F-center.

• A. If both assertion and reason are true and reason is the correct explanation of assertion
• B. If both assertion and reason are true but reason is not the correct explanation of assertion
• C. If assertion is true but reason is false
• D. If both assertion and reason are false

Answer 1

Answer: (B)

If both assertion and reason are true but reason is not the correct explanation of assertion

Answer 2

In the crystal of FeO, some Fe ions are missing and the loss of positive charge is made up by the presence of the required number of Fe ions. This however causes metal deficiency in the crystal.