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Question: Answered & Verified by Expert
A2B has antifluorite structure ( B forms FCC lattice and A occupies tetrahedral voids). If all ions along any one body diagonal are removed, then new formula of compound will be:
ChemistrySolid StateJEE Main
Options:
  • A A 4 B 5
  • B A 8 B 5
  • C A 7 B 6
  • D A 8 B 4
Solution:
2788 Upvotes Verified Answer
The correct answer is: A 8 B 5
On one body diagonal, 2A-atoms(full contribution) 2B-atoms 18contributions lie. So, new formula = A8-2B4-14=A8B5

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