IMFA & Properties (Quiz)

Which of the following is NOT correct about intermolecular forces?

• It is the force between two or more molecules

• It is the force between two or more atoms in a molecule

• It is responsible for the properties of substances

• It explains why a substance is solid, liquid or gas in room temperature.

It is defined as the fluid's resistance to flow.

• Boiling point

• Surface tension

• Solubility

• Viscosity

What is the phase of a substance with strong IMFA at room temperature?

• gas

• liquid

• solid

• all of the choices

Melting point is the temperature at which a

• solid turns liquid

• liquid turns gas

• gas turns solid

• liquid turns solid

How would you describe the surface tension of a molecule having a weak IMFA?

• average surface tension

• high surface tension

• low surface tension

• cannot be determined

Among the choices, which of the following will have the weakest IMFA?

• H₂O

• NaCl

• CH₄

• HCl

Which of the following solution will have the strongest IMFA?

• H₂O & H₂O

• H₂O & HCl

• H₂O & NaCl

• H₂O & oil

What is the relationship between melting point and IMFA?

• directly proportional

• inversely proportional

• no relationship

What is the relationship between boiling point and IMFA?

• directly proportional

• inversely proportional

• no relationship

What is the relationship between vapor pressure and IMFA?

• directly proportional

• inversely proportional

• no relationship