Question

The high density of water as compared to ice is due to:

• A. hydrogen bonding interactions
• B. dipole-dipole interactions
• C. dipole-induced dipole interactions
• D. induced dipole-induced dipole interactions

Answer 1

The correct option is A hydrogen bonding interactions

Water when present as liquid has intermolecular hydrogen bonding with 3-4 other molecules whereas in ice, the molecules arrange themselves in a cage like structure by hydrogen bonding hence density of ice becomes less than water as in ice due to cage like structure the volume increases and hence density decreases.