Arrange the Following in Order of Increasing Vapour Pressure at Room

Multiple Choice

Arrange the following in order of increasing vapour pressure at room temperature:
1) H₂O,
2) Hg,
3) Br₂,
4) CH₃CH₂OH

A) 2 < 3 < 1 < 4
B) 1 < 4 < 3 < 2
C) 4 < 3 < 2 < 1
D) 4< 3< 1 < 2
E) 2 < 1 < 4 < 3