Boiling Points Greater intermolecular forces,higher b.p. Dipole-dipole attractions not significantly different for different halides. London forces greater for larger atoms. Greater mass,higher b.p. Spherical shape decreases b.p. (CH3)3CBr CH3(CH2)3Br 73C 102℃ 2013 Pearson Education Inc. 16Boiling Points • Greater intermolecular forces, higher b.p. – Dipole-dipole attractions not significantly different for different halides. – London forces greater for larger atoms. • Greater mass, higher b.p. • Spherical shape decreases b.p. (CH3 )3CBr CH3 (CH2 )3Br 73 C 102 C 16 © 2013 Pearson Education Inc