Question

2. Intermolecular force significanty affects the physical property of a substance. Which is NOT
an effect of intermolecular force on the physical property of a substance?
a. It renders the substance insoluble.
b. It makes the substance evaporates quickly.
c. It determines whether a substance flow easily.
d. It determines the acidity and basicity of a substance​

Answer 1

Intermolecular forces are the forces that bind two molecules together. Physical properties are affected by the strength of intermolecular forces. Melting, boiling, and freezing points increase as intermolecular forces increase. Vapor pressure decreases as intermolecular forces increase.

Answer 2

d. It determines the acidity and basicity of a substance is not an effect of intermolecular force on the physical property of a substance.

Explanation:

• Intermolecular forces is the force of attraction or repulsion between molecules or particles adjacent to each other.

• Intermolecular forces decide several properties of any substance such as melting and boiling point, density, fusion enthalpy and vaporization.

• The solubility of any substance whether fluid or solid, it depends on the intermolecular forces.

• Evaporation becomes easy if intermolecular forces are less.

• Intermolecular forces decides the state of a matter. If the intermolecular forces are high, the state is solid and if forces are low then it is in fluid state.

• Acidity and basicity does not depend on intermolecular forces, it rather depends on intramolecular forces.