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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

276pm

B

138 pm

C

552 pm

D

415 pm

Text Solution

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The correct Answer is:
C
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