The following statements are all correct. Which of the statements can be explained, in part, by hydrogen bonding?
- I. Ice is less dense than water.
- II. Butanone has a lower boiling point than butan-1-ol.
- III. At room temperature butanone can mix with water.
A. I and II only
B. I and III only
C. II and III only
D. I, II and III