Solid State Question 214
What is the coordination number of sodium in $ Na_2O $ solid structure?
[AIIMS 2003]
Options:
6
4
8
2
Show Answer
Answer:
Correct Answer: B
Solution:
In $ Na_2O, $ each oxide ion $ ({{O}^{2-}}) $ is co-ordinated to $ 8Na^{+} $ ions and each $ Na^{+} $ ion to 4 oxide ions. Hence it has 8 : 4 co-ordination.
 BETA
  BETA 
             
             
           
           
           
          