Which of the following pair of molecules contain odd electron molecule and an expanded octet molecule?

To determine which pair of molecules contains an odd electron molecule and an expanded octet molecule, let’s first define both types of molecules:

1. Odd Electron Molecule: These are molecules that have an unpaired electron, meaning they do not have a complete octet. Examples include radicals such as nitrogen dioxide (NO2) and chlorine dioxide (ClO2).

2. Expanded Octet Molecule: These are molecules that have more than eight electrons around the central atom, typically seen in elements in the third period or beyond, such as phosphorus pentachloride (PCl5) or sulfur hexafluoride (SF6).

Next, let’s examine potential pairs of molecules. Here are some common examples:

• Odd Electron Molecules:

  • NO (Nitric oxide)
  • ClO2 (Chlorine dioxide)

• Expanded Octet Molecules:

  • SF6 (Sulfur hexafluoride)
  • PCl5 (Phosphorus pentachloride)

Now, let's verify if such pairs exist in your options. If you provide a list of molecules to choose from, I can help identify the pair that contains both an odd electron molecule and an expanded octet molecule.