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AlF(3) is a soluble in HF only in presen...

`AlF_(3)` is a soluble in HF only in presence of KF. It is due to the formation of

A

`K_(3)[AlF_(3)H_(3)]`

B

`K_(3)[AlF_(6)]`

C

`AlH_(3)`

D

`K[AlF_(3)H]`

Text Solution

Verified by Experts

The correct Answer is:
B
KF dissociate to give `F^(-)` and form soluble complex with `AlF_(3)` ltBrgt `AlF_(3)+3KF to K_(3)[AlF_(6)]`
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