Select the compound from the following which dissolves in water.

Acetic acid exists as a dimer in benzene due to:

Which of the following molecules can form hydrogen bonding with itself?

Which of the following hydrogen halides has the highest boiling point?

Hydrogen bonding plays a central role in the following phenomena:
$(A)$ Ice floats in water.
$(B)$ Higher Lewis basicity of primary amines than tertiary amines in aqueous solutions.
$(C)$ Formic acid is more acidic than acetic acid.
$(D)$ Dimerisation of acetic acid in benzene.

What type of force is a hydrogen bond?