Question

In $CsCl$ type structure, the co-ordination number of $Cs^+$ and $Cl^-$ respectively are :

• A. 6,6
• B. 6,8
• C. 8,8
• D. 8,6

Answer 1

Answer: (C)

8,8

Answer 2

The coordination number is 8 : 8 in $Cs^+$ and $Cl^-$. The coordination number is 6 : 6 in $Na^+$ and $Cl^-$.