How does silicon dioxide react with hydrofluoric acid?

1 Answer
anor277
Mar 5, 2017

Silicon dioxide can give the #SiF_6^(2-)# ion upon treatment with hydrofluoric acid.

Explanation:

#SiO_2(s) + 6HF(aq) rarr SiF_6^(2-) + 2H_3O^(+)#

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