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Ferrous oxide has a cubic structure and ...

Ferrous oxide has a cubic structure and each dege of the unit cell is 5.0 Å. Assuming density of the oxide as `"4.0 g cm"^(-3)` then the number of `Fe^(2+)` and `O^(2-)` ions present in each unit cell will be

A

Four `Fe^(+2)` and four `O^(2-)`

B

Two `Fe^(+2)` and four `O^(2-)`

C

Four `Fe^(+2)` and two `O^(2-)`

D

Three `Fe^(+2)` and three `O^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
A
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