Explain why NO is more soluble in water than either N2 or O2. Fill in the following blanks.

a. Compared to nitrogen, the ____________of ethylene makes it more soluble in water.
b. The high solubility of sulfur dioxide can be explained by its ______________
c. Nitric oxide is more soluble than nitrogen and oxygen because of its ______________
d. Compared to oxygen, nitrogen's _____________ makes it more difficult for water molecules to surround the nitrogen molecules.

1. Polarity
2. Ability to react with water
3. Shorter bond length
4. Larger molecular size