Question

For a solid with the above structure, the co-ordination number of the point B is:

• A. 3
• B. 4
• C. 5
• D. 6

Answer 1

The correct option is D 6

For a solid with the above structure, the co-ordination number of the point B is 6. It is surrounded by 2 A atoms present at corners and 4 A atoms present at 4 face centers. This results in octahedral coordination.