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If the distance between Na^(+) and Cl^(-...

If the distance between `Na^(+)` and `Cl^(-)` ions in NaCl crystals is 265 pm, then edge length of the unit cell will be ?

A

265 pm

B

530 pm

C

795 pm

D

132.5 pm

Text Solution

Verified by Experts

The correct Answer is:
B
In NaCl :
Edge length `=2xx` distance between `Na^(+)` and `Cl^(-)` ions
`=2xx265=530` pm
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