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CBSE Class 12-science Answered

<p>A binary solid AB with B negative ions constituting the&nbsp;FCC&nbsp;lattice and A positive ions occupying 25% tetrahedral holes.The formula is</p> <p>a)AB</p> <p>b)A2B</p> <p>c)AB2</p> <p>d)AB4</p>
Asked by Abhilasha T. | 15 Apr, 2014, 01:17: PM
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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