Question

In the following pairs of molecules, predict which one of the molecules in the pair would have the higher boiling point by naming the strongest attractive force present in each molecule.

1. Which has the higher boiling point: CH4 or H2O?

2. The strongest force in CH4 is:

dipole-dipole attractions

hydrogen bonding

London forces

ionic attractions

3. NH3 or CO2 Which has the highest boiling point?

4. The strongest force of NH3?

	hydrogen bonding
	London forces
	dipole-dipole attractions
	ionic attractions

5. The strongest force in CO2?

	hydrogen bonding
	London forces
	ionic attractions
	dipole-dipole attractions 6. Which has the highest boiling point? KCl and CH3OCH3

7. The strongest force of KCl?

	dipole-dipole attractions
	hydrogen bonding
	ionic attractions
	London forces 8. The strongest force in CH3OCH3

	dipole-dipole attractions
	London forces
	hydrogen bonding
	ionic attractions