Question

Which of the following product is formed when $Si{F}_4$ reacts with water?

• A. $Si{F}_3$
• B. $H_{4}Si{O}_4$
• C. $H_{2}S{O}_4$
• D. $H_{2}Si{F}_4$

Answer 1

Answer: (B)

In reaction with water, $Si{F}_4$ (like $SiC{l}_4$) gets hydrolysed to form $H_{4}Si{O}_4$ (silicic acid).
$Si{F}_4+4H_{2}O\to \underset{\text{ (Silicic acid)}}{Si(OH{)}_{4}or{H}_{4}Si{O}_4}+4HF$