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CBSE Class 12-science Answered

A binary solid AB with B negative ions constituting the FCC lattice and A positive ions occupying 25% tetrahedral holes.The formula is

a)AB

b)A2B

c)AB2

d)AB4

Asked by Abhilasha T. | 15 Apr, 2014, 01:17: PM
answered-by-expert Expert Answer
The formula of the binary solid having FCC arrangement and in which A positive ions occupy 25% tetrahedral voids will be option (C) AB2.
This is so because each there are two tetrahedral viods per each B anion.
Answered by | 17 Apr, 2014, 11:58: AM
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