Question

The crystal with a metal deficiency defect is ________

a) Nacl b) Feo c) Zno d) Kcl​

Answer 1

Answer:

Nacl is a correct answer please mark me brainlest and follow me

Answer 2

FeO

In FeO as some Fe atoms may be present as Fe3+ and for charge neutrality, 3fe2+ = 2Fe3+, hence FeO would have metal deficiency defect...

so option B is the correct answer..