Chemistry · 2014
JEE Main · 9 April 2014, Shift 1 · Q42
The gas evolved on heating CaF_2 and SiO_2 with concentrated H_2 SO_4, on hydrolysis gives a white gelatinous precipitate. The precipitate is:
The gas evolved on heating $\displaystyle \mathrm{CaF}_2$ and $\displaystyle \mathrm{SiO}_2$ with concentrated $\displaystyle \mathrm{H}_2 \mathrm{SO}_4$, on hydrolysis gives a white gelatinous precipitate. The precipitate is :
Official answer
(3)
silicic acid
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JEE Main 2014 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.