🔬 MCAT Exam Prep

Which molecule has the highest boiling point?

A CH4
B NH3
C H2O
D HF

✓ Correct Answer: Option C

H2O (100°C) has the highest boiling point due to extensive hydrogen bonding network. NH3 (−33°C) and HF (19.5°C) also H-bond but less extensively.

💡 Why is C) the correct answer?

The correct answer to the question "Which molecule has the highest boiling point?" is Option C: H2O.

The other options — A) CH4, B) NH3, D) HF — are incorrect for this MCAT Exam Prep question. As explained above: H2O (100°C) has the highest boiling point due to extensive hydrogen bonding network. NH3 (−33°C) and HF (19.5°C) also H-bond but less extensively.

📚 About This MCAT Exam Prep Practice Question

This 2-level MCAT Exam Prep question from the Chemical & Physical Foundations topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free MCAT Exam Prep practice test or use flashcards for spaced repetition review.

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