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

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

A

6

B

8

C

4

D

2

Text Solution

Verified by Experts

`(r_(+))/(r_(-))=(1.012)/(1.973)= 0.513`
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