We have #O_2#, #H_2#, #He#, and #HCl# gases; which gas will behave LEAST ideally?

1 Answer
Jan 23, 2017

Answer:

Clearly, #"hydrogen chloride"# behaves LEAST ideally..............

Explanation:

Ideality assumes negligible intermolecular interaction. However, #"hydrogen chloride gas"#, with #""^(delta+)H-Cl^(delta-)# dipoles, has the possibility of intermolecular hydrogen bonding, which is a potent intermolecular force. This is reflected in the respective boiling points of the given gases, #He#, #H_2#, #O_2#, #HCl#, which are #4.2, 20.2, 90.2,# and #188.1# #K# respectively.