Q. Which is the most volatile compound?
A) $HCl$
B) $HI$
C) $HBr$
D) $HF$
Explanation
(a)
Hydride $HF\ \ \ \ HCl\ \ \ \ HBr\ \ HI$
B.pt(in K) 293 189 206 238
Because of having low boiling point $HCl$ is more volatile
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.