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In the distance between Na^(+) and CI^(-...

In the distance between `Na^(+)` and `CI^(-)` ions in sodium
chloride crystal is y pm , the length of the edge of the unit cell is

A

4X pm

B

`X//4"pm"`

C

`X//2"pm"`

D

`2X"pm"`

Text Solution

Verified by Experts

The correct Answer is:
D
In `Na^(+)Vl^(-)`crystal, Edge length of unit cell =`2times"Distance between" Na^(+) and Cl^(-)`ion
2X pm
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