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The crystal structure of Na(2)O resemble...

The crystal structure of `Na_(2)O` resembles

A

antifluorite structure

B

fluorite structure

C

rock-salt structure

D

rutile structure

Text Solution

Verified by Experts

The correct Answer is:
A
The anti-fluorite structure is like that for fluorite `(CaF_(2))` except that the position of the positive and negative ions are interchanged. Thus, `Na^(+)` fills the sites occupied by `F^(-)` and `O^(2-)` fills the sites occupied by `Ca^(2+)`
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