Q. Which of the following solution in water possesses the lowest vapour pressure?
A) $0.1\ (N)\ BaCl_{2}$
B) 0.1 (M)$NaCl$
C) 0.1 (M) $KCl$
D) None of these
Explanation
(a)
$BaCl_{2}$gives maximum ion hence, it shows lowest vapour pressure
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.