Q. A gas that cannot be collected over water is
A) $SO_{2}$
B) $N_{2}$
C) $O_{2}$
D) $PH_{3}$
Explanation
(a)
$SO_{2}$ is soluble in water
$H_{2}O + SO_{2} \rightarrow H_{2}SO_{3}$
sulphurous acid
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.