Intermolecular Forces

Boiling Point Comparison: Ethanol vs. Methoxymethane

Step 1: Understanding boiling point comparison. Ethanol has a higher boiling point than methoxymethane due to the presence of hydrogen bonding between ethanol molecules, which requires more energy to break these interactions.

Step 2: Reason for the boiling point difference. The intramolecular hydrogen bonding in ethanol is the reason for its higher boiling point compared to methoxymethane, as methoxymethane lacks such hydrogen bonding.

Step 3: Conclusion. Since both Assertion (A) and Reason (R) are true, and Reason (R) correctly explains Assertion (A), the correct answer is option (A).