Question

Hydrogen bonds can be found between molecules of which substance?

A) C3H8
B) H2
C) HF
D) CH4

Answer 1

Any molecule which has a hydrogen atom attached directly to an oxygen or a nitrogen is capable of hydrogen bonding. Hydrogen bonds also occur when hydrogen is bonded to fluorine, but the HF group does not appear in other molecules.

So, the HF no. c) is a right answer.