**Question:**Which of the following would have the lowest vapor pressure?I. CH₄ II. CH₃OCH₃ III. CH₃CH₂OH IV. CH₃CH₂CH₃ V. CH₃CH₃ **Options:**a. I b. IV c. III d. V e. II **Explanation:**This question is about determining which of the given compounds has the lowest vapor pressure. The vapor pressure of a substance is influenced by the strength of intermolecular forces within the substance. Substances with stronger intermolecular forces typically have lower vapor pressures because it is more difficult for molecules to escape into the gas phase.1. **CH₄ (Methane)** - Non-polar, weak dispersion forces.2. **CH₃OCH₃ (Dimethyl ether)** - Polar, dipole-dipole interactions.3. **CH₃CH₂OH (Ethanol)** - Polar, hydrogen bonding (strongest intermolecular force here).4. **CH₃CH₂CH₃ (Propane)** - Non-polar, weak dispersion forces.5. **CH₃CH₃ (Ethane)** - Non-polar, weak dispersion forces.Given these compounds, ethanol (CH₃CH₂OH) with hydrogen bonding would have the strongest intermolecular forces, leading to the lowest vapor pressure. The correct answer is:c. III

Boiling point is defined as the temperature at which a liquid starts boiling and becomes vapours.it…

Answered: Which of the following would have the…

Which of the following would have the lowest vapor pressure? I. CH4 II. CH3OCH3 III. CH3CH₂OH IV. CH3CH2CH3 O a. I O b. IV O c. ||| O d. V e. Il V. CH3CH3

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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