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For tetrahedral co-ordination the radius...

For tetrahedral co-ordination the radius ratio `(r^(+) //r^(-))`should be

A

`0.155 - 0.225`

B

`0.225 - 0.414`

C

`0.414 - 0.732`

D

`0.732 - 1`

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The correct Answer is:
B
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