What Is the Major Type of Force That Must Be

question 1

Multiple Choice

What is the major type of force that must be overcome to allow each of the processes below? I. the evaporation of propanal (CH₃CH₂CH₂OH)
II. the boiling of liquid CH₂Cl₂
III. the melting of solid Br₂
IV. the boiling of liquid BF₃

• A) hydrogen bonding, London forces, dipole-dipole, dipole-dipole
• B) hydrogen bonding, dipole-dipole, London forces, London forces
• C) dipole-dipole, dipole-dipole, London forces, London forces
• D) London forces, covalent bonding, dipole-dipole, dipole-dipole
• E) London forces, London forces, London forces, London forces

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