Why does the following reaction occur ?
`XeO_(6)^(4-)(aq)+2F^(-)(aq)+6H^(+)(aq)toXeO_(3)(g)+F_(2)(g)+3H_(2)O(l)`
What conclusion about the compound `Na_(4)XeO_(6)` (of which `XeO_(6)^(4-)` is a part) can be drawn from the reaction.

Explanation

Given equation is
`XeO_(6(aq))^(4-)+2F^(-)+6H_((aq))^(+)to XeO_(3)+F_(2(g))+3H_(2)O`
`to` In the above reaction .Xe. under go reduction (+8 to +6)
`to F^(-)` Oxidised to `F_(2)` here perxenate ion acts as power ful Oxidising agent.
`to` Perxenates are stable in alkali solutions.
`to Na_(4)XeO_(6)` is a powerful oxidant.