why is Frenkel defects not found in pure alkali metal halides ?

Why is Frenkel defect not found in pure alkali metal halides ?

Why is Frenkel defect not found in pure alkali metal halides ?

Why is Frenkel defect not found in pure alkali metal halides ?

Why is Frenkel defect not found in pure alkali metal halides ?

Why is Frenkel defect not found in pure alkali metal halides ?

Explain the following : (i) Why is Frenkel defect not found in pure alkali metal halides? (ii) Anti-ferromagnetic substances have unpaired electrons but their dipole moment is zero.

Why is the Frenkel defect not found in pure alkali metal halides?

Why is Frankel defect is not found in pure alkali metal halide?