Identify the intermolecular forces of attraction, and predict which substance of each pair has the stronger forces of attraction Strategy All of the molecules will have London dispersion forces We must determine whether a molecule is polar to determine whether dipole dipole forces exist If a hydrog...

a Each of these molecules has a symmetric tetrahedral structure so neither possesses a dipole The on ...

Identify the intermolecular forces of attraction, and predict which substance of each pair has the stronger forces

Question:

Identify the intermolecular forces of attraction, and predict which substance of each pair has the stronger forces of attraction. (a) CF4, CC14 (b) CHOH, CHCl (c) CIF, BrC1

Strategy

All of the molecules will have London dispersion forces. We must determine whether a molecule is polar to determine whether dipole-dipole forces exist. If a hydrogen atom is bonded to an N, O, or F, hydrogen bonding will exist.

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