The non-stoichimetric compound Fe0.94O is formed when x% of Fe2+ ions are replaced by 2/3 Fe3+ ions, then x is:
A
18
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
15
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
12
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
6
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A 18 Number of Fe3+ ions replacing xFe2+ ions is equal to 2x3 ∴ Vacancies of cations =x−23x=x3
But x3=1−0.94=0.06orx=0.06×3=0.18 i.e. 18 %.