Homework Answers
a) Cyclohexane is a non-polar molecule, it does not contain any heteroatom. Hence can have only van der Waals forces/London Dispersion forces.
b) Tetrahydrofuran: contains one
oxygen atoms attached to two carbons.
Hence this molecule is a polar compound, however, there is no
possible hydrogen bonding present in this molecule. Hence
intermolecular forces present in this molecule are Dipole-dipole
interaction, London dispersion forces (collectively referred as van
der Waals forces).
c) Triethylamine: contains an electronegative nitrogen atom. However, hydrogen bonding is not possible. Intermolecular forces present in this molecule are Dipole-dipole interaction, London dispersion forces.
d) Chloroethene: No hydrogen
bonding.
Intermolecular forces present in this molecule are Dipole-dipole
interaction, London dispersion forces.
e) Butanoic acid: As it contains a
carboxylic acid group, there is hydrogen bonding present in the
molecule.
Intermolecular forces present in this molecule are Dipole-dipole
interaction, London dispersion forces, and hydrogen bonding.
f) 2-buteyne: No hydrogen
bonding.
Intermolecular forces present in this molecule are: Dipole-dipole
interaction, London dispersion forces.
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