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The non- stoichiometric compound Fe(0.94...

The non- stoichiometric compound `Fe_(0.94)O` is formed when `x%` of `Fe^(2+)` ions are replaced by as many `2//3 Fe^(3+)` ions The value of x is:

A

18

B

12

C

13

D

6

Text Solution

Verified by Experts

The correct Answer is:
A
The no. of `Fe^(3+)` ions replacing `xFe^(2+)` ions `=2x//3`
`:.` Vacancies of cations `=1-2x//3=x//3`
Both `x//3=1-0.94=0.96`
`:. X=0.06xx3=0.18 or 18%`
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