Q. Which has maximum vapour pressure at a given temperature?
A) $CH_{3}CH_{2}CH_{2}OH$
B) [image:5_image20.emf]
C) $CH_{3} - O - CH_{3}$
D) $CH_{3}COOH$
Explanation
(c)
$CH_{3}OCH_{3}$ lacks H-bonding hence, it is most volatile, so it has maximum vapour pressure
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.