The reason for the high boiling point of motor oil when only dispersion forces are present in the motor oil is to be explained. Concept introduction: Intermolecular forces operate between the molecules so changes with change in the phase and effects with physical properties of the substance. In intermolecular forces, the bond is formed between two molecules with partial charges that are present relatively far away from each other. Dispersion forces are also a type of intermolecular forces. In dispersion forces, a temporary dipole is generated on one molecule that further induces a temporary dipole on the molecule adjacent to it. The temporary dipole results in the attraction between opposite charges and dispersion forces exist in the molecule. All the atoms and molecules exhibit dispersion forces. The boiling point of the liquid is defined as the temperature at which the liquid and gas are in equilibrium and the pressure is 1 atm . Boiling point is directly related to the mass of the compound.

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Chapter 12, Problem 12.56P

Interpretation Introduction

Interpretation:

The reason for the high boiling point of motor oil when only dispersion forces are present in the motor oil is to be explained.

Concept introduction:

Intermolecular forces operate between the molecules so changes with change in the phase and effects with physical properties of the substance. In intermolecular forces, the bond is formed between two molecules with partial charges that are present relatively far away from each other. Dispersion forces are also a type of intermolecular forces.

In dispersion forces, a temporary dipole is generated on one molecule that further induces a temporary dipole on the molecule adjacent to it. The temporary dipole results in the attraction between opposite charges and dispersion forces exist in the molecule. All the atoms and molecules exhibit dispersion forces.

The boiling point of the liquid is defined as the temperature at which the liquid and gas are in equilibrium and the pressure is 1 atm. Boiling point is directly related to the mass of the compound.

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