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Edge length of NaCl unti cell is 562 pm....

Edge length of NaCl unti cell is 562 pm. Then:

A

distance between `Na^(+)` and `Cl^(-)` ions is 281pm

B

radii of `Na^(+) and Cl^(-)` ions will be 281 pm and 95 pm

C

nearest distance between two `Na^(+)` ions is `281sqrt(2)` pm

D

nearest distance between two `Cl^(-)` ions is `95sqrt(2)` pm

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The correct Answer is:
A, B, C
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