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silicon dissolves in excess of HF due to formation of?

Gman Namg , 9 Years ago
Grade 12
anser 4 Answers
K Keerthirajan

Last Activity: 9 Years ago

It is due to the formation of Silicon tetrafluoride
SiO2 + 4HF -----> SiF+ 2H2O

grenade

Last Activity: 9 Years ago

@K Keerthirajan 
it’s wrong

grenade

Last Activity: 9 Years ago

because here it has been given for excess of HF
thus your answer is  wrong here acc to me 6HF will be reacting

grenade

Last Activity: 9 Years ago

the product would have been H2SiF6
 

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