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  • An ionic compound has a unit cell consisting of A ions at the corners of a cube and B ions on the centres of the faces of the cube. The empirical formula for this compound would be <div cl

An ionic compound has a unit cell consisting of A ions at the corners of a cube and B ions on the centres of the faces of the cube. The empirical formula for this compound would be 

Option: 1

AB


Option: 2

A2B


Option: 3

AB3


Option: 4

A3B


Answers (1)

best_answer

Number of A ions per unit cell  =\frac{1}{8}\times8=1
Number of B ions per unit cell  =\frac{1}{2}\times6=3

Thus, Empirical formula = AB3

Therefore, Option(3) is correct 

Posted by

vishal kumar

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