explain the reaction.
sio2 is treated with HF
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Answer: When silicon dioxide (SiO2) is heated with hydrogen fluoride (HF), it forms silicon tetrafluoride (SiF4).
Usually the Si-O bond is a strong bond and it resists any attack by halogen and most acids, even at a high temperature, However it is attacked by HF.
SiO2 + 4HF ----→ SiF4 + 2H2O
The SiF4 formed in this reaction can further react with HF to form Hydrofluorosilicic acid.
SiF4 + 2HF -----→ H2SiF6
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Answered by
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Answer:
When silicon dioxide (SiO2) is heated with hydrogen fluoride (HF), it forms silicon tetrafluoride (SiF4). ... The SiF4 formed in this reaction can further react with HF to form Hydrofluorosilicic acid.
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