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The radius of Na^(+) is 95pm and that of...

The radius of `Na^(+)` is 95pm and that of `Cl^(-)` is 181 pm. The edge length of unit cell in NaCl would be (pm).

A

181

B

95

C

276

D

552

Text Solution

Verified by Experts

The correct Answer is:
D
edge length ` = 2 (r_c + r_a)`
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