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The exhibition of highest co-ordination ...

The exhibition of highest co-ordination number depends on the availability of vacant orbitals in the central atom. Which of the following elements is not likely to act as central atom in `MF_(6)^(3-)` ?

A

B

B

Al

C

Ga

D

In

Text Solution

Verified by Experts

The correct Answer is:
A
The element M in the complex ion `MF_(6)^(3-)` has a coordinates number of six. Since B has only s- and p-orbital and no d-orbital, therefore , at the maximum it can show a coordination number of 4. Thus, B cannot form complex of the type, `MF_(6)^(3-)`, i.e, option (a) is correct.
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