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Why is FeO (s) not formed in stoichiometric composition?
Answers (1)
Iron oxide (FeO) has rock salt structure.
In the crystals of FeO, ions adopt on sites.
FeO is always non-stoichiometric i.e., the composition of and
ions is 0.95 : 1 instead of 1:1 .
This non stoichiometric composition can be obtained if a small number of ions are replaced by
of
ions in OH sites to maintain the positive charge.
View full answer
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