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Radius ration of an ionic compound is 0.93. The structure of the above ionic compound is of

a.  NaCl type

b. CsCl type

c. ZnS type

d. None of these

Ans. b

Explanation : Radius ration range 0.732- 0.99 signifies coordination number 8. In CsCl coordination number ration is 8:8

(9)

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