1.

A solid AB has rock salt structure. If the radius of cation is 100 pm, the maximum radius of anion B^(ө)is ...........

Answer»

120.7 PM
68.3 pm. 
136.61 pm. 
241.54 pm 

SOLUTION :`(R^+)/(r^-) = 0.414 IMPLIES r^(-) = (100)/(0.414) = 241.54`


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