1. Arrange the following compounds in order from highest to lowest boiling point. hexanol (C6...

Question:

1. Arrange the following compounds in order from highest to lowest boiling point.

hexanol (C{eq}_6{/eq}H{eq}_{14}{/eq}O), dichloromethane (CH{eq}_2{/eq}Cl{eq}_2{/eq}), CCl{eq}_4{/eq}, butene (C{eq}_4{/eq}H{eq}_8){/eq}, propane (C{eq}_3{/eq}H{eq}_8{/eq})

2. Identify the three true statements:

a. Hydrocarbons exhibit only dispersion forces.

b. Stronger intermolecular forces usually correlate with higher boiling points.

c. Hydrogen bonds require carbon, hydrogen, and a halogen.

d. Dipole-dipole interactions are stronger than dispersion forces and hydrogen bonds.

e. Boiling point generally increases with total number of electrons in molecules due to increased strength of dispersion forces.

Types of Intermolecular Forces:

Intermolecular forces are the attractive forces that keep molecules of a substance together. They impart the characteristic physical properties to the substance and determine its physical state at any given temperature. The magnitude of the intermolecular force determines the values of the physical properties like viscosity, melting point, boiling point, etc.. London-dispersion forces, dipole-dipole forces, dipole-induced dipole forces, hydrogen bonding, ion-dipole forces, etc. are some examples of intermolecular forces.

Answer and Explanation: 1

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(1.) Hexanol is the heaviest molecule and has hydrogen bonding. Thus, its boiling point is the highest as the other compounds do not have hydrogen...

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Intermolecular Forces in Chemistry: Definition, Types & Examples

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Chapter 5 / Lesson 3
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Explore intermolecular forces. Learn the definition of intermolecular force and understand its different types. Discover intermolecular forces examples in real life.


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