Answers

1. Which substance in each of the following paris would you expect to have the higher boiling points?

Explain why.

(a) Ne or Xe - larger London Dispersion Forces because larger atom

(b) CO₂ or CS₂ -larger London Dispersion Forces because larger molecule

(c) CH₄ or Cl₂ -larger London Dispersion Forces because larger molecule

(d) F₂ or LiF - Dipole-Dipole forces is stronger than London Dispersion Forces

(e) NH₃ or PH₃ -Hydrogen bonding is stronger than Dipole-Dipole Forces