Which Type of Bond Must Be Broken for Water to Vaporize

Question

Which type of bond must be broken for water to vaporize?
A)ionic bonds
B)both hydrogen bonds and ionic bonds
C)polar covalent bonds
D)hydrogen bonds
E)both polar covalent bonds and hydrogen bonds

Accepted Answer

Hydrogen bonds between water molecules must be broken for water to vaporize. This requires energy input in the form of heat to overcome the attractive forces between the molecules.