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An ionic comp. has a ZnS type structure.If radius of A+is 22.5 pm,the ideal radius of B- would be

An ionic comp. has a ZnS type structure.If radius of A+is 22.5 pm,the ideal radius of B- would be

Grade:11

1 Answers

Arun
25750 Points
6 years ago
Since ionic compound AB has ZnS type of structure, therefore it has tetrahedral holes for which radius of cation / radius of anion = 0.225
               r+ / r– = 0.225 => 22.5 / r– = 0.225 
               Hence r- = 100 pm

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