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

Question

Assertion: Metal deficiency defect can be seen in FeO. Reason: 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

Tardigrade Admin · Accepted Answer

In the crystal of FeO, some Fe2+ ions are missing and the loss of positive charge is made up by the presence of the required number of Fe3+ ions. This however causes metal deficiency in the crystal.

Q. Assertion : Metal deficiency defect can be seen in $F e O$ .
Reason : $L i$ compound (LiCl) has pink colour due to F-center.

If both assertion and reason are true and reason is the correct explanation of assertion

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

If assertion is true but reason is false

If both assertion and reason are false

In the crystal of FeO, some Fe²⁺ ions are missing and the loss of positive charge is made up by the presence of the required number of Fe³⁺ ions. This however causes metal deficiency in the crystal.

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