Questions: What are the intermolecular forces present between these two molecules? (B) Hydrogen Bonds (C) Dipole-Dipole Attractions (D) Covalent Bonds

What are the intermolecular forces present between these two molecules? (B) Hydrogen Bonds (C) Dipole-Dipole Attractions (D) Covalent Bonds
Transcript text: What are the intermolecular forces present between these two molecules? (B) Hydrogen Bonds (C) Dipole-Dipole Attractions (D) Covalent Bonds
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Solution

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Solution Steps

Step 1: Identify the Molecules

The molecules shown are ethene (C2H4), which consists of two carbon atoms double-bonded to each other, with each carbon atom also bonded to two hydrogen atoms.

Step 2: Determine the Types of Intermolecular Forces

Intermolecular forces present between molecules can include London dispersion forces, hydrogen bonds, dipole-dipole attractions, and covalent bonds.

Step 3: Analyze the Intermolecular Forces for Ethene
  • London Dispersion Forces: These are present in all molecules, including nonpolar ones like ethene.
  • Hydrogen Bonds: These occur when hydrogen is bonded to highly electronegative atoms like nitrogen, oxygen, or fluorine. Ethene does not have these bonds.
  • Dipole-Dipole Attractions: These occur in polar molecules. Ethene is nonpolar, so these forces are not present.
  • Covalent Bonds: These are intramolecular forces (within a molecule), not intermolecular forces (between molecules).

Final Answer

The intermolecular forces present between these two ethene molecules are:

  • London Dispersion Forces (Option A).
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