Q. Which gas has the highest partial pressure in atmosphere?
A) $CO_{2}$
B) $H_{2}O$
C) $O_{2}$
D) $N_{2}$
Explanation
(d)
We know that
$p = n\frac{RT}{V}\frac{w}{M} = \frac{RT}{V}$
As the $M$ increases, partial pressure decreases. Thus, $N_{2}$ has highest partial pressure
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.