48 Questions
What type of intermolecular force occurs between an ion and a non-polar molecule?
Ion-Induced Dipole Force
Which type of intermolecular force is responsible for the attraction between two polar molecules?
Dipole-Dipole Force
What is the term used to describe a molecule with a slightly positive charge (δ+) and a slightly negative charge (δ−)?
Dipole
Which type of intermolecular force is present in all molecules?
Induced Dipole Force
What type of intermolecular force occurs between a polar molecule and a non-polar molecule?
Dipole-Induced Dipole Force
What is the result of a difference in electronegativity between atoms in a molecule?
A polar molecule
Which of the following is an example of Dipole-Induced Dipole Forces?
Chloroform in carbon tetrachloride
What is the special case of Dipole-Dipole Forces?
Hydrogen Bonding
Which type of atom is typically involved in forming hydrogen bonds?
Highly electronegative atoms like oxygen, nitrogen, or fluorine
What is a characteristic of intermolecular forces?
They occur between molecules and are generally weaker than interatomic forces
Which of the following properties is NOT affected by intermolecular forces?
Electrical conductivity
What is the relationship between molecular size and intermolecular forces?
Larger molecules have stronger intermolecular forces
Which of the following is an example of a substance with strong intermolecular forces?
Water
What is the result of stronger intermolecular forces on a substance's thermal expansion?
It expands more slowly when heated
Which of the following is a result of weaker intermolecular forces?
Faster evaporation
What is the relationship between solubility and intermolecular forces?
Substances dissolve in solvents with similar intermolecular forces
What is a characteristic of hydrogen bonds?
They are a relatively strong intermolecular force
What is the primary difference between intermolecular and interatomic forces?
The location of the forces within a molecule
What is the result of strong intermolecular forces on a substance's phase of matter?
It becomes a solid
What is the relationship between viscosity and intermolecular forces?
Stronger intermolecular forces result in higher viscosity
What is the result of increasing the number of carbon atoms in an organic compound like an alkane?
The boiling point and melting point increase
What is the relationship between surface tension and intermolecular forces?
Stronger intermolecular forces result in higher surface tension
What is the result of weaker intermolecular forces on a substance's evaporation rate?
It evaporates faster
What is the relationship between thermal conductivity and intermolecular forces?
Free electrons are responsible for thermal conductivity
What is the primary factor that determines the polarity of a molecule?
The difference in electronegativity between its atoms
Which type of intermolecular force is responsible for the attraction between an ion and a polar molecule?
Ion-Dipole Forces
What is the name of the temporary dipole that occurs in non-polar molecules?
Induced Dipole
Which type of intermolecular force is responsible for the attraction between two non-polar molecules?
Induced Dipole Forces (London Dispersion Forces)
What is the result of a polar molecule inducing a dipole in a non-polar molecule?
Dipole-Induced Dipole Forces
What is the term used to describe the attraction between the positive and negative poles of two polar molecules?
Dipole-Dipole Forces
Which type of intermolecular force is responsible for the attraction between a polar molecule and a non-polar molecule?
Dipole-Induced Dipole Forces
What is the term used to describe a molecule that has a slightly positive charge (δ+) and a slightly negative charge (δ−)?
Dipole
What is the primary reason why hydrogen bonds are relatively strong intermolecular forces?
They occur between molecules with highly electronegative atoms
Which of the following is an example of a substance that exhibits strong intermolecular forces due to the presence of hydrogen bonds?
Water
What is the primary difference between intermolecular forces and interatomic forces?
Intermolecular forces occur between molecules, while interatomic forces occur within molecules
Which of the following properties is most affected by the strength of intermolecular forces?
Viscosity
What is the relationship between molecular size and intermolecular forces in organic compounds like alkanes?
Larger molecules have stronger intermolecular forces
What is the result of weaker intermolecular forces on a substance's boiling point?
The boiling point decreases
What is the relationship between surface tension and intermolecular forces?
Stronger intermolecular forces result in higher surface tension
What is the result of stronger intermolecular forces on a substance's viscosity?
The viscosity increases
Which of the following is a characteristic of dipole-dipole forces?
They are responsible for the attraction between the positive and negative poles of two polar molecules
What is the primary reason for the existence of ion-dipole forces?
The presence of a permanent dipole in a polar molecule
Which of the following statements is true about induced dipole forces?
They are present in all molecules, but are the only forces in non-polar molecules
What is the term used to describe the temporary dipole that occurs in non-polar molecules?
Induced dipole
Which of the following is an example of a dipole-induced dipole force?
The attraction between a polar molecule and a non-polar molecule, such as chloroform in carbon tetrachloride
What is the primary difference between intermolecular and interatomic forces?
Intermolecular forces occur between molecules, while interatomic forces occur between atoms
Which of the following types of intermolecular forces is responsible for hydrogen bonding?
Dipole-dipole forces, in a special case
What is the result of a difference in electronegativity between atoms in a molecule?
The formation of a permanent dipole, resulting in a polar molecule
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