Question 1

Which of the following statements best describes the relationship between intermolecular forces and boiling point?

Accepted Answer

Stronger intermolecular forces result in a higher boiling point.

Question 2

Which compound would you expect to have the highest melting point?

Accepted Answer

CsI in H$_2$O

Question 3

A liquid with strong intermolecular forces will most likely have which of the following properties?

Accepted Answer

High viscosity

Question 4

Which of the following molecules would have the lowest boiling point?

Accepted Answer

CH$_4$

Question 5

Which of the following would most likely cause a liquid to have the lowest viscosity?

Accepted Answer

Small, nonpolar molecules

Question 6

Which of the following substances should have the highest surface tension at a given temperature?

Accepted Answer

CF$_4$

Question 7

If a liquid has a high vapor pressure, what can you infer about its intermolecular forces?

Accepted Answer

They are weak.

Question 8

Which of the following would increase the boiling point of a liquid?

Accepted Answer

Increasing the strength of intermolecular forces

Question 9

A nurse needs to sterilize medical equipment using boiling water. Which property of water makes it effective for this purpose?

Accepted Answer

High boiling point due to strong hydrogen bonding

Question 10

Which of the following best explains why CsI in H$_2$O has a higher melting point than CH$_3$OH?

Accepted Answer

CsI forms stronger ionic bonds compared to hydrogen bonds in CH$_3$OH.

Question 11

Which of the following would have the highest vapor pressure at room temperature?

Accepted Answer

A liquid with weak London dispersion forces

Question 12

A patient is exposed to a chemical with a very low boiling point. What does this suggest about the chemical's intermolecular forces?

Accepted Answer

The chemical has weak intermolecular forces.

Question 13

Which of the following molecules would you expect to have the lowest surface tension?

Accepted Answer

CH$_4$

Question 14

Which property is directly related to the strength of intermolecular forces?

Accepted Answer

Boiling point

Question 15

A liquid is found to have a high resistance to flow. Which property is being described?

Accepted Answer

Viscosity

Question 16

Which of the following would most likely have the lowest melting point?

Accepted Answer

CH$_4$

Question 17

Which of the following best describes the effect of increasing temperature on vapor pressure?

Accepted Answer

Vapor pressure increases as temperature increases.

Question 18

Which of the following is a direct relationship?

Accepted Answer

Stronger intermolecular forces lead to higher boiling point.

Question 19

A scientist observes that a liquid has a very high surface tension. What can be inferred about its intermolecular forces?

Accepted Answer

The liquid has strong intermolecular forces.

Question 20

Which of the following would most likely have the lowest vapor pressure?

Accepted Answer

A liquid with strong hydrogen bonding

Intermolecular Forces and Physical Properties in GOB Chemistry

Study Guide - Practice Questions