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in Chemistry by (87.4k points)

A solid AB has NaCl structure. if the radius of the cation A+ is 140 pm calculate the maximum possible values of the radius of anion B-

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Radius ratio = r+ /r- = 0.414 

OR 140/ rB- = O.414 

 SO r B- = 140/0.414 

 = 338 pm 

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