IMF Review

Front

What is an intermolecular force?

Back

An intermolecular force is a force that occurs between molecules, affecting their physical properties such as boiling and melting points.

Front

What type of intermolecular force is present in HCl?

Back

Dipole-dipole forces are present in HCl due to the difference in electronegativity between hydrogen and chlorine.

Front

What is molecular geometry?

Back

Molecular geometry refers to the three-dimensional arrangement of atoms within a molecule.

Front

What is the molecular geometry of a molecule with 3 shared pairs and 0 unshared pairs?

Back

Trigonal planar.

Front

What determines if a molecule is polar or nonpolar?

Back

The polarity of a molecule is determined by the distribution of electron density and the shape of the molecule.

Front

What is the molecular shape of PH3?

Back

PH3 has a trigonal pyramidal shape and is polar.

Front

Define dipole-dipole interaction.

Back

Dipole-dipole interaction is an attractive force between the positive end of one polar molecule and the negative end of another polar molecule.

Front

What is the shape of a molecule with 4 shared pairs and 0 unshared pairs?

Back

Tetrahedral.

Front

What is the difference between a polar and nonpolar molecule?

Back

Polar molecules have a net dipole moment due to asymmetrical charge distribution, while nonpolar molecules have an even distribution of charge.

Front

What is a dispersion force?

Back

Dispersion forces, also known as London dispersion forces, are weak intermolecular forces that arise from temporary dipoles in molecules.