Questions: Decide which intermolecular forces act between the molecules of each compound in the table below.

Decide which intermolecular forces act between the molecules of each compound in the table below.
Transcript text: Decide which intermolecular forces act between the molecules of each compound in the table below.
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Solution

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Solution Steps

To determine the intermolecular forces acting between molecules of each compound, we need to consider the types of interactions that can occur based on the molecular structure and composition. The main types of intermolecular forces are:

  1. London Dispersion Forces (LDF): Present in all molecules, especially significant in nonpolar molecules.
  2. Dipole-Dipole Interactions: Occur in polar molecules where there is a permanent dipole.
  3. Hydrogen Bonding: A special type of dipole-dipole interaction that occurs when hydrogen is bonded to highly electronegative atoms like nitrogen, oxygen, or fluorine.
Step 1: Identify the Molecular Structure

Examine the molecular structure of each compound to determine if it is polar or nonpolar and if it contains hydrogen bonded to N, O, or F.

Step 2: Determine the Presence of London Dispersion Forces

All molecules exhibit London dispersion forces due to the presence of electrons that can create temporary dipoles.

Step 3: Determine the Presence of Dipole-Dipole Interactions

Check if the molecule is polar. If it has a net dipole moment, it will exhibit dipole-dipole interactions.

Step 4: Determine the Presence of Hydrogen Bonding

Identify if the molecule contains hydrogen atoms bonded to N, O, or F. If so, hydrogen bonding is present.

Final Answer

For each compound, list the intermolecular forces present:

  1. Compound A:

    • London Dispersion Forces
    • Dipole-Dipole Interactions (if polar)
    • Hydrogen Bonding (if applicable)

  2. Compound B:

    • London Dispersion Forces
    • Dipole-Dipole Interactions (if polar)
    • Hydrogen Bonding (if applicable)

  3. Compound C:

    • London Dispersion Forces
    • Dipole-Dipole Interactions (if polar)
    • Hydrogen Bonding (if applicable)

\[ \boxed{\text{Intermolecular forces for each compound are listed above.}} \]

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