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Question: Answered & Verified by Expert
The ratio of cationic radius to anionic radius in an ionic crystal is greater than $0.732$. Its coordination number is
ChemistrySolid StateCOMEDKCOMEDK 2013
Options:
  • A $6$
  • B $8$
  • C $1$
  • D $4$
Solution:
2909 Upvotes Verified Answer
The correct answer is: $8$
When the radius ratio is between $0.732-1.000$, the coordination number is 8 and arrangement is body centered cubic (bcc) packing.

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