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The ionic radii for Na^(+) and Br^(-) io...

The ionic radii for `Na^(+)` and `Br^(-)` ions are `1.012Å` and `1.973Å` respectively. What is the coordination number of `Na^(+)` predicted on the basis of the radii ratio. `(r_(+))/(r_(-))`?

A

6

B

8

C

4

D

2

Text Solution

Verified by Experts

The correct Answer is:
1
`(r_(+))/(r_(_))=(1.012)/(1.973)=0.513`
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