Mark the incorrect pair from the following.

Schottky defect- Equal number of cation and anions are missing.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Frenkel defect- Dislocation of cation from its normal site to interstitial site.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Impurity defect-

C d C l_{2}

A g C l

crystal to create cationic vacancy.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Metal excess defect-

F e_{0.93} O

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is C Metal excess defect- $F e_{0.93} O$
In ${F e}_{0.93} O$ , some of ${F e}^{2 +}$ ions are absent from $F e O$ and some of ${F e}^{3 +}$ are present.
So, it is due to metal deficiency defect.

Hence, option "D" is the correct answer.

Suggest Corrections

Similar questions

Cations are present in the interstitial sites in ...........

(a) Frenkel defect (b) Schottky defect

Schottky defect is observed in crystals when .....................

(a) some cations move from their lattice site to interstitial sites

(b) equal number of cation and anions are missing from the lattice

(d) some impurity is present in the lattice

Assertion: Frenkel defect doesn’t have any effect on density of the crystal.

Reason: Dislocated cation occupies the interstitial site

Join BYJU'S Learning Program