Solid State Question 226

Question: The co-ordination number of $ N{{a}^{+}} $ in $ NaCl $ is

[Orrisa JEE 2005]

Options:

A) 6

B) 8

C) 4

D) 1

Show Answer

Answer:

Correct Answer: A

Solution:

In sodium chloride, each $ N{{a}^{+}} $ ion is surrounded by six $ C{{l}^{-}} $ ions and each $ C{{l}^{-}} $ ion is surrounded by six $ N{{a}^{+}} $ ions. Thus, both the ions have coordination number six.



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