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Why hydro fluoric acid stored in wax bottle ? Explain?

Why hydro fluoric acid stored in wax bottle ? Explain?

Grade:12

1 Answers

Umakant biswal
5349 Points
7 years ago
hydroflouric acid attacks glass with the formation of fluorosilicate ions { Sif6 } ^2- , 
thus it is stored in wax coated glass bottles to prevent the reaction , 
sio2 + 6HF = { sif6} ^2- + 2H^+  + 2H20 
hope it clears now 
all the best ..

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