Which molecules exhibit only London (dispersion) forces? CH, CH, CI BCI, Br, NH3

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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**Arrange the Compounds from Lowest Boiling Point to Highest Boiling Point**

The diagram includes a vertical rectangular space where you can organize the compounds from the answer bank according to their boiling points. The top of the rectangle is labeled "Highest boiling point," and the bottom is labeled "Lowest boiling point."

**Answer Bank:**

- CH₃Cl (Methyl chloride)
- CH₃F (Methyl fluoride)
- F₂ (Fluorine gas)
- HOOH (Hydrogen peroxide)
- Kr (Krypton)

Use the answer bank to arrange the compounds in the box, starting from the lowest boiling point at the bottom to the highest boiling point at the top.
Transcribed Image Text:**Arrange the Compounds from Lowest Boiling Point to Highest Boiling Point** The diagram includes a vertical rectangular space where you can organize the compounds from the answer bank according to their boiling points. The top of the rectangle is labeled "Highest boiling point," and the bottom is labeled "Lowest boiling point." **Answer Bank:** - CH₃Cl (Methyl chloride) - CH₃F (Methyl fluoride) - F₂ (Fluorine gas) - HOOH (Hydrogen peroxide) - Kr (Krypton) Use the answer bank to arrange the compounds in the box, starting from the lowest boiling point at the bottom to the highest boiling point at the top.
**Question:**

Which molecules exhibit only London (dispersion) forces?

**Options:**

- [ ] CH₄
- [ ] CH₃Cl
- [ ] BCl₃
- [ ] Br₂
- [ ] NH₃

**Explanation:**

London dispersion forces are the weakest type of intermolecular forces and occur in all molecules, whether they are polar or nonpolar. However, in molecules where this is the only type of intermolecular force present, typically the molecules are nonpolar. Choices such as CH₄ (methane) and Br₂ (bromine) are good candidates for exhibiting only London dispersion forces, as they are nonpolar and their interactions are primarily due to instantaneous dipole-induced dipole attractions.
Transcribed Image Text:**Question:** Which molecules exhibit only London (dispersion) forces? **Options:** - [ ] CH₄ - [ ] CH₃Cl - [ ] BCl₃ - [ ] Br₂ - [ ] NH₃ **Explanation:** London dispersion forces are the weakest type of intermolecular forces and occur in all molecules, whether they are polar or nonpolar. However, in molecules where this is the only type of intermolecular force present, typically the molecules are nonpolar. Choices such as CH₄ (methane) and Br₂ (bromine) are good candidates for exhibiting only London dispersion forces, as they are nonpolar and their interactions are primarily due to instantaneous dipole-induced dipole attractions.
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