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A binary solid (A^+B^-)has a rock salt s...

A binary solid `(A^+B^-)`has a rock salt structure .If the edge length is 400 pm and radius of cation is 80 pm the radius of anion is :

A

120 pm

B

125 pm

C

250 pm

D

325 pm

Text Solution

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The correct Answer is:
B
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