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in which of the following structures c...

in which of the following structures coordination number for cations and anions in the packed structure will be same ?

A

`Cl^(-)` ion from fcc lattice and `Na^(+)` ions occupy all octahedral voids of the unit cell.

B

`Ca^(2+)` ions from fcc lattic and ` F^(-)` ions occupy all the eight tetrahedral voids of the unit cell.

C

`O^(2-)` ions from fcc lattice and ` Na^(+)` ions occupy all the eight tetrahdral voids of the unit cell.

D

`S^(2-)` ions from fcc lattice and ` Zn^(2+)` ions go into alternate tetrahedral voids of the unit cell.

Text Solution

Verified by Experts

The correct Answer is:
C
In ` Na^(+)Cl^(-)` , all cations and anions have a coordination number of 6.
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