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The gas evolved on heating CaF2 and SiO2 with concentrated H2SO4, on hydrolysis gives a white gelatinous precipitate. The precipitate is:
  • a)
    hydrofluosilicic acid
  • b)
    silica gel
  • c)
    silicic acid
  • d)
    calcium fluorosilicate
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The gas evolved on heating CaF2 and SiO2 with concentrated H2SO4, on h...
The chemical reactions of CaF2 , SiO2 and SiF4 in concentration of H2SO4 are,



The precipitate is hydrofluosilicic acid.
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The gas evolved on heating CaF2 and SiO2 with concentrated H2SO4, on h...
The chemical reactions of CaF2 , SiO2 and SiF4 in concentration of H2SO4 are,



The precipitate is hydrofluosilicic acid.
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Community Answer
The gas evolved on heating CaF2 and SiO2 with concentrated H2SO4, on h...
H2SO4 + CaF2 ---- CaSO4 +2 HF

4 HF + SiO2----- SiF4 + 2 H2O

3 SiF4 + 2 H2O ---- 2 H2SiF6 + SiO2

H2SiF6 is known as hydrofluosilicic acid...
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The gas evolved on heating CaF2 and SiO2 with concentrated H2SO4, on hydrolysis gives a white gelatinous precipitate. The precipitate is:a)hydrofluosilicic acidb)silica gelc)silicic acidd)calcium fluorosilicateCorrect answer is option 'A'. Can you explain this answer?
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The gas evolved on heating CaF2 and SiO2 with concentrated H2SO4, on hydrolysis gives a white gelatinous precipitate. The precipitate is:a)hydrofluosilicic acidb)silica gelc)silicic acidd)calcium fluorosilicateCorrect answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about The gas evolved on heating CaF2 and SiO2 with concentrated H2SO4, on hydrolysis gives a white gelatinous precipitate. The precipitate is:a)hydrofluosilicic acidb)silica gelc)silicic acidd)calcium fluorosilicateCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The gas evolved on heating CaF2 and SiO2 with concentrated H2SO4, on hydrolysis gives a white gelatinous precipitate. The precipitate is:a)hydrofluosilicic acidb)silica gelc)silicic acidd)calcium fluorosilicateCorrect answer is option 'A'. Can you explain this answer?.
Solutions for The gas evolved on heating CaF2 and SiO2 with concentrated H2SO4, on hydrolysis gives a white gelatinous precipitate. The precipitate is:a)hydrofluosilicic acidb)silica gelc)silicic acidd)calcium fluorosilicateCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for JEE. Download more important topics, notes, lectures and mock test series for JEE Exam by signing up for free.
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