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Which one of the following elements is u...

Which one of the following elements is unable to form `MF_6^(3-)` ion-

A

In

B

Ga

C

B

D

Al

Text Solution

Verified by Experts

The correct Answer is:
C
Boron does not haveany vacant orbital. Therefore it cannot expand its coordination more than 4. Thus it is unable to form a compound of the type `MF_6^(3-)`.
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