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AIF(3) is soluble in HF only in presence...

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

A

`K[AlF_(3)H]`

B

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

C

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

D

`AlH_(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
`AlF_(3) + KF overset (HF) to K_(3)[AlF_(6)]`
(maximum C.N of `Al^(+3)` is six so it form `AlF_(6)^(3-)`)
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