How does silicon dioxide react with hydrofluoric acid?

1 Answer
Mar 5, 2017

Answer:

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^(+)#