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well BrF3 will auto dissociate to give BrF4- + BrF2+ ...the KF will give a F- to the BrF3 obviously this giving is really due the higher electronegativity of the fluorine thus their will be an increase in the amounts of BrF4- in solution .Using the solvent-system definition of an acid or base.Any specie (molecule ,ion)which increases the anionic or negatively charged amounts of species in solution is a base.So KF definitely behaves as a base.

You can use this same reasoning for SnF4 and try and figure that one out on your own.good luck .

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12y ago
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13y ago

snf4 as acid kf as base

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Q: In BrF3 as a solvent SnF4 and KF behave as?
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