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Which of the following is non -existent...

Which of the following is non -existent

A

`AIF_(6)^(3-)`

B

`CoF_(6)^(3-)`

C

`BF_(6)(3-)`

D

`SiF_(6)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
C
Maximum covalency of B is only 4 as it does not have d - orbita `(1s^(2) 2s^(2) 2p^(1))`
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