Question
Which substance in each of the following pairs has stronger London dispersion forces? Give reasons: (a) Ar or Kr (b) Br₂ or I₂ (c) C₂H₆ or C₄H₁₀
Which substance in each of the following pairs has stronger London dispersion forces? Give reasons: (a) Ar or Kr (b) Br₂ or I₂ (c) C₂H₆ or C₄H₁₀
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Describe the types of Van der Waals’ force including a. instantaneous dipole – induced dipole (id-id) force, also called London dispersion forces b. permanent dipole – permanent dipole (pd-pd) force, including hydrogen bonding c. Hydrogen bonding as a special case of permanent dipole – permanent dipole force between molecules where hydrogen is bonded to a highly electronegative atom).
Describe hydrogen bonding, limited to molecules containing N–H, O–H and H–F groups, (including ammonia, water and H–F as simple examples).