MHT CET Chemistry question

Chemistry The Solid State MHT CET

Not in JEE Main or NEET syllabus

In ionic compound, radii of and ions are 180 pm and 187 pm respectively. The crystal structure of this compound will be

(A)NaCl type
(B)CsCl typeCorrect
(C)ZnS type
(D) type

Answer: (B)

Solution

Radius ratio = 180/187 = 0.96, which lies in 0.732-1.0, so the coordination number is 8 and the structure is CsCl

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Question ID VK-042990