1.

Which of the following reacts with AsF_(3) in liquid BrF_(3)?

Answer»

`XeF_(6)` only
`XeF_(6)` and `XeF_(4)`
`XeF_(2)` and `XeF_(6)`
`XeF_(6)` and `XeF_(2)`

SOLUTION :`XeF_6` and `XeF_2` is a `F^(-)`donor. It reacts with `PF_5, AsF_5` and `SbF_5` in presence of covalent solvent such as `BrF_3`.
`XeF_(2) + 2AsF_(5) to [XEF]^(+) + [As_(2)F_(11)]^(-)`
`XeF_(6) + AsF_(5) to [XeF]^(+) + [AsF_(6)]^(-)`


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