Question

Ferric oxide, the oxide, crystallizes in the pentagonal conjugate complex of ions. In which two out of every three octahedral pores are filled with ferric ions. Apply the formula of ferric oxide.

Answer 1

Answer:

Let x represents the number of oxide ions.

Therefore, the number of octahedral voids =x

Number of ferric ions =

3

2

x

The ratio of the number of ferric ions to the number of oxide ions is

3

2

x:x=

3

2

:1=2:3

Hence, ferric oxide has formula Fe

2

O

3

.

Explanation:

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